| 单词 | rotor |
| 例句 | I ran forward as the rotors spun to a stop. The Last Olympian 2009-05-05T00:00:00Z Its rotor was broken, the grass blackened all around it. Zeitoun 2009-07-15T00:00:00Z Off the agency’s long hallways are laboratories filled with airplane wreckage: a mangled piece of an engine turbine, a problematic piece of a helicopter rotor. Outliers 2008-11-18T00:00:00Z What’s more, they had gone a step further, using the messages to figure out how the Enigma rotors were wired up. The Woman All Spies Fear 2021-10-19T00:00:00Z Instead of a plugboard, it had four rotors with unusual rotation patterns. The Woman All Spies Fear 2021-10-19T00:00:00Z If you tinker with these, you might work out that the rotors and plugboard link up the letter keys and the indicators. The Woman All Spies Fear 2021-10-19T00:00:00Z The Marine One helicopter could land on one side of the house, its rotor blades kicking up gale-force winds and slamming tree branches, but inside the residence we’d hear nothing. Becoming 2018-11-13T00:00:00Z First you were to fire into the rear rotor, it directed. Newjack: Guarding Sing Sing 2000-01-01T00:00:00Z The drumbeat of the rotors became a loud, high-pitched whine as the chopper circled lower. Flush 2005-09-13T00:00:00Z Unlike a regular typewriter, an Enigma also has removable gears, known as rotors. The Woman All Spies Fear 2021-10-19T00:00:00Z We passed so close to the rotors I felt the force of the blades ripping at my hair. The Last Olympian 2009-05-05T00:00:00Z This causes the rotor blades to twist slightly and grab a bigger bite of air, and up you go. Flying to the Moon: An Astronaut's Story 1976-01-01T00:00:00Z They continued paddling, now feeling the wind from the rotors, the ripples radiating outward. Zeitoun 2009-07-15T00:00:00Z For a start, Purple didn’t use rotors, the motorized gears inside most cipher machines. The Woman All Spies Fear 2021-10-19T00:00:00Z When they added new rotors to some Enigmas, the British were locked out for months on end. The Woman All Spies Fear 2021-10-19T00:00:00Z I was half-afraid that if I sneezed too hard, a rotor might fall off. Explorer : A Sisterhood of the Snow in Alaska 2014-04-03T17:57:48Z Gunplay and skulduggery abound; at one point a person gets decapitated by a helicopter rotor. Perspective | Reading will supposedly make you a better person. That’s not the real reason to pick up a book. 2020-01-08T05:00:00Z Stepping out of the chopper, an excited Mr. Kowalski narrowly avoided the rotors. A Sex Pistols Concert Film Languished for Four Decades. Here’s Why. 2017-12-22T05:00:00Z For example, the most common image now associated with Bletchley Park is of the Bombe, a magnificent machine whose clicking rotors are also often used in “The Imitation Game” as evidence of Turing’s genius. Where the Real 'Imitation Game' Happened 2014-11-28T05:00:00Z As the rotors started to spin, the players, each listening to a coordinating clicktrack, began upward glissandi. Mittwoch aus Licht; BBC Proms 50 & 51 – review 2012-08-25T23:06:12Z The Black Hawk, rotors growing louder, flew in and landed. Taliban's video of Bowe Bergdahl handover is a vivid reminder of war 2014-06-05T04:00:00Z In the script, the villain throws some papers up under the rotor blades of a helicopter, and we were told we would have to rewrite that, for safety reasons. ‘The Blacklist’ Draws Up a Novel End to Its Season 2020-05-15T04:00:00Z The HM3 Frog came in two versions, including a limited edition of 12 with black-coated titanium with green rotors. Special Report: A Cut Above: Watches: Retail Strategy Keeps MB&F in Demand 2010-11-26T07:50:00Z And the only component in a mechanical watch which is always in the same vertical position is the oscillating weight or rotor, which, thanks to gravity, winds at the same time, the movement.” Special Report: Watches: Cartier Looks for Recognition in Watchmaking 2011-01-16T22:20:03Z Used by the American military in the 1940s and 1950s to send coded messages, it looks like an oversize, boxy typewriter with rotors rising above the lid like a mechanical brain. ‘Decoding the Renaissance,’ at the Folger Shakespeare 2015-02-03T05:00:00Z But the sequence was poorly planned and barely rehearsed, and the explosions damaged the rotor blades of the chopper, causing the pilot to lose control. ‘Twilight Zone: The Movie’ and the Deadly Accident That Plagued It 2023-06-25T04:00:00Z As he was dragged out, he could hear the thump of a helicopter up above, the fierce wind from the rotors pulling at his hair. The great Moon-rock heist - extract 2011-07-08T21:59:00Z That’s why the loud whir of rotors isn’t a facet of daily life in Dallas or Miami, say, where the highways are relatively wide open. Somewhere Between a Shared Cab and a Private Jet, It’s the Commuter Helicopter 2020-02-01T05:00:00Z Wire coils connect to the commutator, which turns the rotor. Museum Review: New York Transit Museum 2011-12-15T23:03:45Z Before we extracted I told Fred, “If you follow me to the helicopter and you’re not scared off by the rotors and the noise and you follow me to the bird, I’ll be ready.” A Marine in Afghanistan met a dog. They rescued each other. 2017-10-31T04:00:00Z Listen and thrill, O seekers of sensation, to the “pah-pah-pah” of rotor blades beating the air. Review: Return of the Little Copter That Wowed in ‘Miss Saigon’ 2017-03-23T04:00:00Z There were three MH-47E Chinooks, big as tractor trailers, with flat rotors front and back. The death of Osama bin Laden: how the US finally got its man 2012-10-12T22:00:09Z Take Thursday’s moment,when a gaggle of reporters trailed Trump, who stopped a few feet away from a helicopter, rotors spinning and ready to launch. The impeachment party is in full swing with the media as its unprepared host 2019-09-29T04:00:00Z Still, the rotor blast nearly knocked us over. Near Idaho’s Sun Valley, choppers give intrepid skiers an all-access pass 2015-02-12T05:00:00Z Every time a letter was encoded by an Enigma machine, the Enigma’s rotors would advance, changing the code settings for the following letter. Where the Real 'Imitation Game' Happened 2014-11-28T05:00:00Z I looked on as Carol Decker, the lead singer of T’Pau, hopped out, and they ran into the hospitality tent together before the rotors had even stopped whirring. Alan Partridge on Noel Edmonds – ‘He is a total wazzock and I cannot stand him’ 2016-10-16T04:00:00Z But the rotor blades spinning at 500 revolutions per minute add a bit of danger. Somewhere Between a Shared Cab and a Private Jet, It’s the Commuter Helicopter 2020-02-01T05:00:00Z I remember police helicopters flying so low that the backwash from the rotors picked up garbage from the trash baskets, which spiraled up into the air. The East Village, Home of Punks and Poets: Here’s a Tour 2020-10-15T04:00:00Z Violins soar and whine, propelled by the whirring tide of rotors beating the air. Ballet Preljocaj: Helikopter/Eldorado (Sonntags Abschied) – Edinburgh festival review 2012-08-23T16:52:38Z The helicopter rotors whir at the beginning of the revamped “Miss Saigon” that is staked out at the Kennedy Center’s Opera House for the next month, and it all floods in like a flashback. Review | ‘Miss Saigon’ at the Kennedy Center brings back the megamusical’s highs and lows 2018-12-17T05:00:00Z The movement, an automatic Dubois-Dépraz 9000, is decorated with circular graining on the bridges and a snailed côtes de Genève motif on the rotor. Shades of Blue 2013-04-25T16:18:32Z A bloodied mannequin with no legs dangled from a strap off the rotor. Amputee veteran helps train troops for war 2013-03-25T02:49:09Z In the evenings I sat on the wall and watched the rotors of my giant cosmic helicopter. Croatia’s remotest island 2017-05-27T04:00:00Z As he's getting on a helicopter with very loud rotors where he limits amount of time spent answering questions. Why Ari Fleischer is against resurrecting the extinct White House press briefings 2020-01-12T05:00:00Z Ms. Prada’s show featured full-cut suits and silk tropical prints, shown on male and female models, against a painted backdrop of jungle fronds disturbed by a helicopter rotor. Fashion Review: Prada, Jil Sander, Gucci, Salvatore Ferragamo, Neil Barrett, Zegna and Calvin Klein Show Spring 2014 Collections During Milan Men’s Fashion Week 2013-06-26T21:45:04Z You can also scrub down the chainstays, chain rings, cranks and cogs, but you'll want to use a rotor cleaner or rubbing alcohol to clean the brake pads and rotors. How to clean all of your most-used summer gear 2022-08-09T04:00:00Z To accomplish all this, the helicopter’s twin, counterrotating rotor blades needed to spin at 2,500 revolutions per minute — five times faster than on Earth. Mini helicopter makes historic flight on Mars 2021-04-19T04:00:00Z A: The legs of this flying spider hold the rotors that spin around to keep it airborne. Sochi drone shooting Olympic TV, not terrorists 2014-02-10T19:35:14Z Beneath the owl’s translucent breast, the faintly perceived swings of the battle-axe-shaped rotor give the illusion of a beating heart. Special Report: A Cut Above: Watches: Retail Strategy Keeps MB&F in Demand 2010-11-26T07:50:00Z “The colors on the rotors, we stuck to the colors,” she said, “but I took a long time picking which shade of each of those colors.” Below the Line: Designing 'The Imitation Game' 2015-01-14T05:00:00Z The sophisticated -- for its era -- device featured a keyboard and a series of mechanical rotors that allowed for millions and millions of combinations. Enigma machine from World War II finds unlikely home in Beverly Hills 2015-01-22T05:00:00Z Ms. Amfitheatrof is not alone in seeking serenity away from the whine of private jets and the rotor thwack of helicopter taxis. The Calming Quiet of Outer Cape Cod 2015-08-26T04:00:00Z Starting with the sound of surf, he methodically layers more cyclical sounds in waves, adding and subtracting alarms, distortion, chopping vibrations like those of helicopter rotors, low frequencies that resonate in your chest. Review: The Inescapable Vibrations of ‘Violet’ 2022-09-25T04:00:00Z As the copter hovered overhead, rotor blades spinning, the crew lowered a strong wire rescue basket to lift the teens, one by one, up to waiting medical care on board. Saving lives out of the blue 2016-02-12T05:00:00Z “It’s busy, it’s jet exhaust blowing around, helicopter rotors twisting and turning and all kinds of stuff that’s going on.” Dodging planes and a taste of home: life on a U.S. aircraft carrier 2018-05-09T04:00:00Z Bell was the first driver eliminated after a brake rotor failure caused him to hit the wall 109 laps into the race. Blaney earns first career NASCAR championship, gives Team Penske back-to-back Cup titles 2023-11-05T04:00:00Z Designs include an underwater kite that "flies" in the water to maximise the speed the rotors spin. Could the UK's tides help wean us off fossil fuels? 2023-10-21T04:00:00Z She just, she deduced how two of those rotors were wired, which was a pretty amazing feat. This Code Breaking Quaker Poet Hunted Nazis 2023-10-12T04:00:00Z A molecular rotor consists of a central rotating molecule that is connected by axis molecules to stationary stator molecules, similar to the way that a wheel and axle are connected to a car frame. Making elbow room: Giant molecular rotors operate in solid crystal 2023-09-29T04:00:00Z “The passenger’s recollection of the conditions just before the accident was consistent with whiteout conditions caused by rotor wash while the helicopter was hovering near the ridgeline,” the report said. Pilot error, training issues were factors in Alaska crash that killed Czech billionaire, report says 2023-09-27T04:00:00Z The government-owned company said it was doing everything to speed up the process but examining the transport of wind turbines' rotor blades was particularly demanding due to their extraordinary length. Germany's wind power expansion stalls on the roads 2023-09-07T04:00:00Z The 680-tonne monster floats on the surface with the rotors lowered into the water. Could the UK's tides help wean us off fossil fuels? 2023-10-21T04:00:00Z The tail rotor counteracts the torque of a helicopter's main rotor to ensure the aircraft does not spin out of control. Leicester City crash failure was 'irrecoverable' by pilot -final report 2023-09-06T04:00:00Z The team synthesized concave, umbrella-like metal complexes that could shield the rotor molecule from unwanted interactions with other molecules in the crystal. Making elbow room: Giant molecular rotors operate in solid crystal 2023-09-29T04:00:00Z The investigation discovered a worn bearing on the tail rotor had seized after the helicopter took off. Leicester City helicopter crash caused by 'sequence of failures' 2023-09-05T04:00:00Z The pilot’s pedals became disconnected from the tail rotor, investigators found, and it resulted in the aircraft making a sharp right turn which was “impossible” to control. Damaged tail rotor to blame for helicopter crash in 2018 that killed Leicester owner and 4 others 2023-09-05T04:00:00Z In addition to gusty winds, there were concerns that the helicopter's rotor blades could further destabilise the cable car, and as night set in the operation was suspended. Pakistan cable car: Relief as all passengers brought to safety 2023-08-23T04:00:00Z The helicopter rescue mission had been complicated by gusty winds in the area and the fact that the helicopters' rotor blades risked further destabilising the lift, he said. Two children pulled from Pakistan cable car, helicopter rescue halted as night falls 2023-08-22T04:00:00Z They were able to create sufficient space to accommodate the giant rotor by attaching an especially large, bulky molecule to the metal atom of the stator. Making elbow room: Giant molecular rotors operate in solid crystal 2023-09-29T04:00:00Z The wear on the rotor bearing was also found to have built up over a period of time and could not have been predicted, according to the inspectors. Leicester City helicopter crash caused by 'sequence of failures' 2023-09-05T04:00:00Z The rescue mission has been complicated due to gusty winds in the area and the fact the helicopters' rotor blades risk further destabilising the lift, he said. Pakistan military rescues two children from dangling cable car 2023-08-22T04:00:00Z She says the car is hanging from just one side and the rotor of the helicopter can affect this "delicate situation". Pakistan cable car: Why it's such a difficult rescue 2023-08-22T04:00:00Z The rescue mission is complicated due to gusty winds in the area and the fact the helicopters' rotor blades risk further destabilising the lift, Khattak said. Children trapped in Pakistan cable car after line snaps over ravine 2023-08-22T04:00:00Z A comparison of experimental and simulated nuclear magnetic resonance spectra of the crystal suggested that the giant molecular rotor rotates in 90-degree intervals at a frequency in the range of 100-400 kHz. Making elbow room: Giant molecular rotors operate in solid crystal 2023-09-29T04:00:00Z It concludes a tail rotor bearing seized, which in turn caused the crash. Leicester City helicopter crash caused by 'sequence of failures' 2023-09-05T04:00:00Z The rescue mission is complicated due to gusty winds in the area and the fact the helicopters' rotor blades risk further destabilising the lift, he said. Children trapped in Pakistan gondola after cable snaps over ravine 2023-08-22T04:00:00Z The rescue mission is complicated due to gusty winds in the area and the fact the helicopter's rotor blades risk further destabilising the lift, he said. Children trapped in Pakistan chair lift after cable snaps 2023-08-22T04:00:00Z He said new cleaner fuels will take time to emerge "so we have to throw everything at operational measures on existing ships - like retrofitting vessels with sails, kites and rotors". Pioneering wind-powered cargo ship sets sail 2023-08-21T04:00:00Z Images of the crash site show that the helicopter’s rotor landed some distance away from its fuselage, he added. Fire helicopter lacked collision-avoidance system before midair crash 2023-08-17T04:00:00Z The tail rotor is key to keeping the helicopter stable and steering it. Bolt was missing on police helicopter that crashed in South Carolina, report says 2023-08-16T04:00:00Z The aircraft is lifted vertically by a series of small rotors on the wings. Boeing gets a good deal from Archer air taxi settlement with Wisk 2023-08-11T04:00:00Z Rather than using rotors like Volocopter, Lilium uses 30 electric jets that can be tilted in unison to swing between vertical lift and forward flight. Will electric flying taxis live up to their promise? 2023-08-07T04:00:00Z Cables carrying electricity created by spinning rotors will land on a beach in Barnstable on Cape Cod and then head to consumers in the state. A Giant Wind Farm Is Taking Root Off Massachusetts 2023-06-27T04:00:00Z One even flew this time, the Volocopter 2X prototype, which looks like a little helicopter with an array of small rotors fixed to a circular frame on top of the aircraft. Can Boeing make pilotless air taxi magic work on big jets? It aims to 2023-06-22T04:00:00Z Bubba Wallace brought out the 11th and final yellow when his brake rotor let go with five laps remaining. Busch holds off Hamlin for NASCAR Cup Series win outside St. Louis 2023-06-04T04:00:00Z As it transitions to fly horizontally — the hardest part of the flight to get technically right — the rotors on the leading edge tilt to point forward like propellers. Boeing gets a good deal from Archer air taxi settlement with Wisk 2023-08-11T04:00:00Z Small, nimble helicopters fly low and steady so their rotors blow pollen from one row of plants to another. ‘Game changer.’ Scientists are genetically engineering crops to clone themselves 2023-05-17T04:00:00Z The 35th Marine Brigade's soldiers showed off small commercial drones with four rotors that buzzed around as they were flown by soldiers using handsets. Ukrainian army revamps commercial drones to attack Russian tanks, trenches 2023-05-16T04:00:00Z Atop the wings are 12 electric lift rotors. Can Boeing make pilotless air taxi magic work on big jets? It aims to 2023-06-22T04:00:00Z Reddick was running seventh when his rotor exploded, putting him into the wall and out of the race. Busch holds off Hamlin for NASCAR Cup Series win outside St. Louis 2023-06-04T04:00:00Z Plus, the rotor faces downwind rather than into the wind, as is common in traditional configurations, helping it to absorb the impact of strong gales. Can a wind turbine handle hurricane speed winds? 2023-05-08T04:00:00Z He will be replaced by Christoph Zammert, who heads support and services for Airbus Helicopters - an activity that makes up roughly half of the rotor division's revenues. Airbus shakes up leadership of A320-family jet programme 2023-04-26T04:00:00Z Oil, and objects including what could be part of a rotor blade, have also been found in the sea the news agency reported. Japan's missing military helicopter likely crashed into sea 2023-04-06T04:00:00Z The losing proposal featured a pair of rotor blades stacked on top of each other. GAO denies Sikorsky-Boeing challenge to lucrative Army helicopter 2023-04-06T04:00:00Z This trench-digging machine has a rotor with buckets at the rear. A web of trenches shows Russia fears losing Crimea Pieces of the helicopter were scattered across the ground, including the rotor blades, and ground crews used a crane to stand the aircraft onto its landing gear, authorities told the news station. Suspect crashes stolen helicopter shortly after takeoff at Sacramento airport 2023-03-16T04:00:00Z It takes off and lands vertically, while its rotors tilt forward in flight. Dubai again plans for flying taxi takeoff, this time by 2026 2023-02-12T05:00:00Z Quadcopters, which get their name from having four rotors, typically operate from short ranges by remote control. Iran blames Israel for drone attack, threatens retaliation 2023-02-01T05:00:00Z The company, which produces rotors and stators for an array of applications such as vehicles and home appliances, said the IPO's final structure would be disclosed before its launch. EuroGroup Laminations aims to rekindle Milan IPO market 2023-01-19T05:00:00Z The rotor is lowered behind the vehicle to dig the trenches. A web of trenches shows Russia fears losing Crimea Smoke billowed from the charred rotors and other burning debris that was scattered near a playground. Helicopter Crash Kills Ukrainian Minister in Blow to Wartime Leadership 2023-01-18T05:00:00Z All that was recognisable of the helicopter was a door panel and one of its rotors which landed on the roof of a car. Ukraine's president Zelensky addresses Davos forum after fatal helicopter crash 2023-01-18T05:00:00Z But the analysts are still able to do powerful work with commercial, unclassified satellite images and pictures taken from small quadcopter drones, the kind with four spinning rotors, he said. Why the U.S. is enlisting a spy agency during hurricanes 2022-12-30T05:00:00Z However he lost control after the helicopter suffered a loss of thrust when the tail rotor broke. Eryri helicopter crash pilot wanted a closer look look at obelisk 2023-01-06T05:00:00Z This trench-digging machine has a rotor with buckets at the rear. A web of trenches shows Russia fears losing Crimea A pilot, two British visitors and the 10-year-old boy’s mother Vanessa Tadros, 36, were killed when the helicopter they were aboard plunged to the ground after its rotor blades sheared off. Australian boy, 10, remains in coma after helicopter crash 2023-01-05T05:00:00Z Mr James managed to land the helicopter safely after the rotor blade of an ascending helicopter crashed through its windscreen. Australia helicopter collision: Passenger tapped pilot before crash, footage shows 2023-01-04T05:00:00Z Mitchell said the main rotor blade of the aircraft made contact with the front cockpit of the descending helicopter. Pilot, 2 British visitors among 4 killed in Australia crash 2023-01-02T05:00:00Z It was my first time in a helicopter, and all I saw were the rotor blades above my head, they were mesmerising and almost sent me to sleep. TV presenter Matthew Bassett shows life goes on with spinal injury 2022-12-31T05:00:00Z The rotor is lowered behind the vehicle to dig the trenches. A web of trenches shows Russia fears losing Crimea The passenger then squeezes the edge of the pilot’s seat to brace as the cockpit is sprayed with broken glass after one of the second helicopter’s rotor blades strikes the windshield. Australian boy, 10, remains in coma after helicopter crash 2023-01-05T05:00:00Z Unlike most helicopters, Sikorsky’s bid uses two counter-rotating coaxial main rotors and a pusher propeller that the company says will allow for quicker acceleration and deceleration. Defense contractors Sikorsky, Boeing challenge Army’s helicopter contract 2022-12-29T05:00:00Z “That in itself has led to the main rotor and the gearbox separating from that helicopter, which has meant that, tragically, it’s then had no lift and has fallen heavily to the ground,” he said. Pilot, 2 British visitors among 4 killed in Australia crash 2023-01-02T05:00:00Z Rather than using rotors like Vertical Aerospace and Volocopter, Lilium uses 30 electric jets that can be tilted in unison to swing between vertical lift and forward flight. Tech trends 2023: Flying taxis and satellite phones 2022-12-22T05:00:00Z The rotor unloads the soil next to the trench, creating front and rear parapets that are about 1.5 feet tall and provide additional protection. A web of trenches shows Russia fears losing Crimea The second is the coaxial lift compound rotor helicopter called Defiant X, built by the Lockheed-Boeing team. U.S. Army taps Bell Textron for helicopter of the future 2022-12-06T05:00:00Z The pilot, who is part of Air and Marine Operations, a sister agency to the Border Patrol, said if the rock had hit the aircraft rotor it would have brought the chopper down. Assaults on Border Patrol agents rise as border chaos spreads 2022-11-27T05:00:00Z Test pilot Paul Stone said that the craft's digital fly-by-wire system and multiple rotors make it much easier to fly than a traditional helicopter. Drone taxi take first spin in air traffic near Paris 2022-11-11T05:00:00Z An electric helicopter with multiple rotors took its first flight in conventional air traffic near Paris on Thursday as it prepares for commercial flights from 2024. Airbus, Qatar Airways clash over regulators, email haul 2022-11-11T05:00:00Z This trench-digging machine has a rotor with buckets at the rear. A web of trenches shows Russia fears losing Crimea The smaller ones typically have three of four rotors and can carry something small like a camera. India gambles on building a leading drone industry 2022-11-03T04:00:00Z Phillies fans — and the Phanatic from atop the dugout — mocked Atlanta’s tomahawk chop, and red rally towels spun like helicopter rotor blades from the moment they snagged them at the gate. Spike This! Hoskins, Harper homer, Phils rout Braves in NLDS 2022-10-14T04:00:00Z Phillies fans — and the Phanatic from atop the dugout — mocked Atlanta’s tomahawk chop, and red rally towels spun like helicopter rotor blades from the moment they snagged them off the seats. Spike This! Hoskins, Harper homer, Phils rout Braves in NLDS 2022-10-14T04:00:00Z Phillies fans - and the Phanatic from atop the dugout - mocked Atlanta’s tomahawk chop, and red rally towels spun like helicopter rotor blades from the moment they snagged them off the seats. Spike This! Hoskins, Harper homer, Phils rout Braves in NLDS 2022-10-14T04:00:00Z The rotor is lowered behind the vehicle to dig the trenches. A web of trenches shows Russia fears losing Crimea Once they got back to Air Station New Orleans, the Coast Guard said that the markings on the helicopter’s rotors were consistent with impacts from bullets fired from a gun. Boater accused of shooting at Coast Guard helicopter near Louisiana 2022-09-20T04:00:00Z The safe handoff from a flying machine the size of a push lawnmower with rotors whirling at high speed is an obvious one. Don’t expect drones to air-drop your packages | Commentary 2022-09-15T04:00:00Z The Russian helicopters swept low over the Dnieper, their rotor blades slicing the moist winter air in the fold of the river valley. Battle for Kyiv: Ukrainian valor, Russian blunders combined to save the capital The family of a Briton killed by the tail rotor of a helicopter in Greece has spoken of the "unimaginably big and painful gap" he has left. Jack Fenton: Family tells of grief over Briton's Greek helicopter death 2022-08-18T04:00:00Z The rotor unloads the soil next to the trench, creating front and rear parapets that are about 1.5 feet tall and provide additional protection. A web of trenches shows Russia fears losing Crimea The rotor blade of a wind turbine is displayed at the "Hannover Messe" industrial trade fair in Hanover April 19, 2010. Wind turbine maker Vestas Q2 hit by higher costs 2022-08-10T04:00:00Z A man has died after being hit by the tail rotor of a helicopter in Greece. Briton Jack Fenton killed in Greek helicopter accident 2022-07-26T04:00:00Z Soldiers wrapped in blankets and sleeping bags, some missing arms and legs, were hoisted into the helicopters, whose rotors never stopped spinning. Last Stand at Azovstal: Inside the Siege That Shaped the Ukraine War 2022-07-24T04:00:00Z As the helicopter was falling to the ground, the report says, the transmission with the rotor head and blades, along with the tail boom, separated from the helicopter before it hit the ground. Witnesses heard ‘snap’ before fatal Alaska helicopter crash 2022-07-22T04:00:00Z The rotor unloads the soil next to the trench, creating front and rear parapets that are about 1.5 feet tall and provide additional protection. A web of trenches shows Russia fears losing Crimea These new concept vehicles typically lift vertically like a helicopter by means of multiple small rotors on top, hover for a moment, then transition into horizontal fixed-wing flight like an airplane. Flying cars are all over the Farnborough Air Show: Will they take off? 2022-07-22T04:00:00Z However, the German military eventually increased the complexity of the machines by adding additional rotors, requiring a new method of decryption. Algebra and Trigonometry 2015-02-13T00:00:00Z He couldn’t raise the alarm because the mortar blasts had injured his throat, and he was still too hoarse to make himself heard over the whoop-whoop-whoop of the helicopter rotors. ‘The impossible’: Ukraine’s secret, deadly rescue missions 2022-06-20T04:00:00Z Archer is testing an aircraft with a 40-foot wingspan and 12 rotors. Look! Up in the sky! It's an air taxi, and they're coming to Los Angeles 2022-06-19T04:00:00Z This trench-digging machine has a rotor with buckets at the rear. A web of trenches shows Russia fears losing Crimea The Osprey is a tilt-rotor aircraft that can take off and land like a helicopter and fly like an airplane by pivoting its rotors. All 5 Marines on aircraft that crashed in Imperial County were killed, officials say 2022-06-09T04:00:00Z If it crashes and lands on its back, two of the rotors can reverse thrust to flip it right-side up. Drone-maker new to Seattle aims to protect people here and in Ukraine 2022-06-05T04:00:00Z The vehicle can take off vertically, like a helicopter, and then shift into forward flight using tilt rotors. Joby Aviation inches closer to getting full government approval for its electric air taxis 2022-05-26T04:00:00Z A failed damper hose caused severe vibrations in the copter’s main rotor as soon as it touched down on the desk of the carrier. Crew not at fault in 2021 San Diego chopper crash that killed five, Navy says 2022-05-04T04:00:00Z The rotor is lowered behind the vehicle to dig the trenches. A web of trenches shows Russia fears losing Crimea One piece of the rotor flew off and hit the tail rotor of the other helicopter that was nearby in the training exercise, investigators found. Helicopter crash near Utah ski resort caused by pilot error 2022-04-21T04:00:00Z Those machines will be used to make centrifuge rotor tubes and bellows, crucial parts for the devices that spin at very high speeds to enrich uranium gas. UN watchdog installs new cameras at Iran centrifuge workshop 2022-04-14T04:00:00Z Because of the vanishingly small size of molecules, a chemical reaction that causes a molecular rotor to spin clockwise is equally likely to spin it counterclockwise. Tiny labmade motors could one day suck pollutants from the air and harvest precious metals 2022-04-05T04:00:00Z We, at one stage, lost rotor control and just spiralled down onto the glacier and luckily we regained it just before we hit the glacier. Falklands War: Veteran describes firing first shots 2022-04-05T04:00:00Z The rotor unloads the soil next to the trench, creating front and rear parapets that are about 1.5 feet tall and provide additional protection. A web of trenches shows Russia fears losing Crimea He’s a brainy little fellow with two tails who worships Sonic and whose special power is the ability to fly using his twin tails as helicopter rotors. ‘Sonic the Hedgehog 2’ review: Jim Carrey — and, weirdly, Seattle — are part of the fast-paced action 2022-04-05T04:00:00Z The thrum of helicopter rotors woke neighbors, and people spilled out of their houses to see what was happening. With watchers on the ground and spy drones overhead, U.S. zeroed in on Islamic State leader’s hideout 2022-02-10T05:00:00Z When no fuel is present, another group called a diacid that is attached to the rotor bumps into the stationary group, preventing rotation. Tiny labmade motors could one day suck pollutants from the air and harvest precious metals 2022-04-05T04:00:00Z He recalled hearing the heavy thud of helicopter rotors as he was preparing to go to sleep about 1 a.m. ISIS leader dead after U.S. raid in Syria, Biden says 2022-02-03T05:00:00Z Numerous in wing and rotor design, it is eVTOLs’ electric power that marks their virtue: It allows them to take off like a helicopter and glide like a jet. An electric-plane pioneer has a plan to transform package delivery. It might work. 2022-01-31T05:00:00Z A helmeted pilot sits in the centre of what looks like a large drone, with its multiple spinning rotors. Like a drone that you sit in – but would you feel safe? 2022-01-20T05:00:00Z Instead, the motors operate on the principle of a “current-energized synchronous machine,” which BMW describes as “the excitation of the rotor is triggered by the precisely metered supply of electrical energy.” BMW’s iX M60 is a dual-motor performance EV with 280 miles of range 2022-01-04T05:00:00Z A combination of two fuel molecules changes the configuration of the diacid, however, first eliminating the blockage, which allows the rotor to spin, and then restoring the blockage, ensuring the rotor can’t spin backward. Tiny labmade motors could one day suck pollutants from the air and harvest precious metals 2022-04-05T04:00:00Z The pilots circled and deftly landed on a little strip of sand, careful to keep the rotor blades from hitting the eroding wall of rock on the beach’s edge. Unprecedented die-offs, melting ice: Climate change is wreaking havoc in the Arctic and beyond 2021-12-17T05:00:00Z It featured four helicopter-like rotors, an oversize battery and a small bomb, compact but powerful enough to blow up a car or, potentially, to kill a head of state. In militants’ hands, drones emerge as a deadly new wild card in the Middle East 2021-12-06T05:00:00Z There's also the TeTra Mk5, which uses a combination of rotors and fixed wings to power itself. Like a drone that you sit in – but would you feel safe? 2022-01-20T05:00:00Z Unlike helicopters, they will be largely inaudible from the ground and have multiple rotors and backup systems, making them much safer. Taxi! To the airport — by air, please 2021-11-28T05:00:00Z Spinning rotors and engine exhaust cause scorching in limited circumstances that first occurred in September 2018. President’s new copter hits setback: It’s unreliable in a crisis 2021-11-23T05:00:00Z Imagine taking an offshore wind turbine, with its rotor blades spun by moving air, and turning the thing upside down, dunking it into the sea, and letting the tidal currents turn the blades. Harnessing the energy of the ocean to power homes, planes and whisky distilleries Police quickly recovered the downed drone, with its distinctive four rotors. In militants’ hands, drones emerge as a deadly new wild card in the Middle East 2021-12-06T05:00:00Z AIR's vehicle, the AIR ONE, is designed to continue flying even if it loses one rotor, or a battery, for example. Like a drone that you sit in – but would you feel safe? 2022-01-20T05:00:00Z If your wheel starts to shake when you’re applying your brakes and slowing down, there could be issues with your brake rotors. Why your steering wheel shakes and what you need to fix it | Provided by CarLotz 2021-11-08T05:00:00Z The helicopter came down after debris from explosions staged during the scene rose 100 feet in the air and damaged the aircraft’s rotor. After ‘Rust’ shooting, a look at other notable set accidents 2021-10-23T04:00:00Z As the tide turns, the rotors simply reverse, drawing power from the flow constantly. Harnessing the energy of the ocean to power homes, planes and whisky distilleries Helicopters are banned from flying to the area because of hot gas that can damage their rotors. Drone operator will try to rescue dogs from Spanish volcano 2021-10-19T04:00:00Z They measure about 300 feet from waterline to rotor and boast 242-foot-long turbine blades. How to Build an Offshore Wind Farm 2021-10-15T04:00:00Z Brand-new rotors are smooth and can become warped over time, making the need for proper pad maintenance essential. Why your steering wheel shakes and what you need to fix it | Provided by CarLotz 2021-11-08T05:00:00Z The helicopter was operating from the aircraft carrier USS Abraham Lincoln when its rotor hit the flight deck and the aircraft fell into the ocean. US Navy helicopter, human remains recovered off California 2021-10-12T04:00:00Z On the O2, the turbines are hung on a pair of sea wings, which carry pitched rotor blades, with a huge 65-foot diameter, that can capture the tide as it runs in both directions. Harnessing the energy of the ocean to power homes, planes and whisky distilleries At the landing spot, they loaded her into the helicopter, its rotors churning. Two kids, a loaded gun and the man who left a 4-year-old to die They will be able to generate 13 MW and measure almost 500 feet from the waterline to rotor. How to Build an Offshore Wind Farm 2021-10-15T04:00:00Z As the rotors become misshapen, you’ll feel shaking throughout the vehicle. Why your steering wheel shakes and what you need to fix it | Provided by CarLotz 2021-11-08T05:00:00Z He recalls hearing the cries of other soldiers as they pulled him out of the hole, and the rotor wash of a medevac helicopter. Algeria to Afghanistan: Our reporter’s dispatches from the front lines of the 9/11 wars 2021-09-11T04:00:00Z Like Ingenuity, the Chinese prototype sports two rotor blades, a sensor-and-camera base and four thin legs. China develops prototype miniature helicopter for Mars missions 2021-09-02T04:00:00Z Two Apache helicopter gunships flew low, seeking to scare some people away from the plane or push them off with their powerful rotor wash. Body parts found in landing gear of flight from Kabul, officials say 2021-08-17T04:00:00Z A golf-ball-sized rotor was attached to his left ventricle to pump blood through a tube and into his aorta. Thousands of patients were implanted with heart pumps that the FDA knew could be dangerous 2021-08-09T04:00:00Z New rotors will solve the problem but can be tricky to replace, so consult a mechanic if you’re not experienced with brake repair. Why your steering wheel shakes and what you need to fix it | Provided by CarLotz 2021-11-08T05:00:00Z The helicopter crew opened fire in a scene blurred by the dust kicked up by their rotors. Algeria to Afghanistan: Our reporter’s dispatches from the front lines of the 9/11 wars 2021-09-11T04:00:00Z Epirus executives say their system can disable a drone’s rotor, or its camera, or its GPS navigation system, or even implant code to manipulate its movements. Opinion | The latest revolutionary tools in warfare? Microwaves. 2021-08-05T04:00:00Z These are at the heart of many electric motors, powering the rotor of the drivetrain. Factbox: Automakers cutting back on rare earth magnets 2021-07-19T04:00:00Z But, for about three years, she found comfort in the soft humming of the HVAD's spinning rotor at night. Thousands of patients were implanted with heart pumps that the FDA knew could be dangerous 2021-08-09T04:00:00Z This means when you apply your brake, your pads will get stuck on the rotors longer than intended. Why your steering wheel shakes and what you need to fix it | Provided by CarLotz 2021-11-08T05:00:00Z On the bridge overlooking the deck and sails, Antonios Mandas, the second officer, showed me the controls for the rotors. Can Massive Cargo Ships Use Wind to Go Green? 2021-06-24T04:00:00Z GE previously tested an open rotor engine in the 1980s. GE and Safran tout new ‘open rotor’ engine future for sustainable aviation 2021-06-14T04:00:00Z Tesla even developed new carbon-wrapped rotors in the electric motors that power the Plaid system in order to keep them from breaking apart at high RPM. Tesla delivers the first 25 Model S Plaid sedans 2021-06-11T04:00:00Z Commander Fravor told a fellow pilot that night that he had no idea what he had seen: “It had no plumes, wings or rotors and outran our F-18s.” Why Are We All Talking About U.F.O.s Right Now? 2021-06-03T04:00:00Z The helicopter’s crew threw the supplies out the open doors, the rotors pushing up dust and sand. A Siege, a Supply Run and a Descent Into a Decade-Old Battle 2021-05-31T04:00:00Z The rotor sails, unrecognizable to most people in the shipping trade, garner quite a bit of attention. Can Massive Cargo Ships Use Wind to Go Green? 2021-06-24T04:00:00Z The most substantial change in the new engine design is an open rotor fan, also called an unducted fan, which provides the greater part of the expected fuel efficiency improvement. GE and Safran tout new ‘open rotor’ engine future for sustainable aviation 2021-06-14T04:00:00Z An operator named Jack Ambridge removes a small quadcopter drone, less than a foot square, from his backpack and soon its tiny rotors are buzzing. Opinion | In warfare, the future is now 2021-05-27T04:00:00Z The major parts for those turbines, which are twice the height of the Statue of Liberty, including rotor blades and gear boxes, will be made in its factories in France. Headwinds: Offshore wind will take time to carry factory jobs to U.S. 2021-05-27T04:00:00Z A soldier unloading the supplies grabbed the man as he screamed, though his cries were inaudible over the blast of the rotors. A Siege, a Supply Run and a Descent Into a Decade-Old Battle 2021-05-31T04:00:00Z The MV Afros was fitted with sails from the start, using Flettner rotors, a technology that has existed since the 1920s. Can Massive Cargo Ships Use Wind to Go Green? 2021-06-24T04:00:00Z It will be open rotor, which dispenses with the conventional pod around the rotating fan blades. GE and Safran tout new ‘open rotor’ engine future for sustainable aviation 2021-06-14T04:00:00Z That alarms the fishing industry, which is worried boats and trawlers will have difficulty navigating around the hulking turbines, the largest of which now have rotor diameters the length of two football fields. Biden Administration Approves Nation’s First Major Offshore Wind Farm 2021-05-11T04:00:00Z Each rotor will be configured to tolerate the loss of at least one rotor or motor. After Ingenuity's success, NASA looks to Saturn's moon for its next rotorcraft flight 2021-04-20T04:00:00Z Eastern time, the twin, carbon-fiber rotor blades began spinning furiously, and the chopper, called Ingenuity, lifted off the surface of the Red Planet. NASA flies a helicopter on Mars, the first time an aircraft has flown on another planet 2021-04-19T04:00:00Z The rotors — spinning cylinders powered by the ship’s diesel-fueled generator — are mounted on the deck of the ship. Can Massive Cargo Ships Use Wind to Go Green? 2021-06-24T04:00:00Z To accomplish all that, the helicopter’s twin, counter-rotating rotor blades needed to spin at 2,500 revolutions per minute — five times faster than on Earth. NASA’s Mars helicopter takes flight, 1st for another planet 2021-04-19T04:00:00Z Flight commands were sent Sunday, after controllers sent up a software correction for the rotor blade spin-up. NASA’s Mars helicopter takes flight, 1st for another planet 2021-04-19T04:00:00Z A few hours ago, in the middle of the martian daytime, Ingenuity, NASA’s $80 million small helicopter, furiously spun its rotors, rose in the air and hovered. NASA’s Ingenuity helicopter lifts off on Mars 2021-04-19T04:00:00Z But a problem halted a test of the helicopter’s rotors, and the flight was delayed as engineers diagnosed and then fixed the issue. NASA flies a helicopter on Mars, the first time an aircraft has flown on another planet 2021-04-19T04:00:00Z The rotors were on the starboard side: four columns painted in white, each 52 feet tall and seven feet in diameter — wide enough for a seafarer to crawl in and make repairs. Can Massive Cargo Ships Use Wind to Go Green? 2021-06-24T04:00:00Z Guard helicopters hovered low enough over protesters near the Capitol One Arena to create a deafening noise and spray protesters with rotor wash. Probe faults DC Guard use of aircraft during June protests 2021-04-14T04:00:00Z To accomplish all that, the helicopter’s twin, counter-rotating rotor blades needed to spin at 2,500 revolutions per minute - five times faster than on Earth. NASA’s Mars helicopter takes flight, 1st for another planet 2021-04-19T04:00:00Z Initially, NASA’s “Wright brothers moment” was slated for Sunday but was pushed back to Wednesday after the space agency discovered an issue with the aircraft’s rotors. NASA again postpones historic Ingenuity helicopter flight on Mars 2021-04-13T04:00:00Z Initially, NASA’s “Wright Brother’s moment” was slated for Sunday but was pushed back to Wednesday after the space agency discovered an issue with the aircraft’s rotors. NASA again postpones historic Ingenuity helicopter flight on Mars 2021-04-13T04:00:00Z Each remote has eight big black rubber buttons used to control the trolleys that slide the rotors along the deck, so they can be moved out of the way of cranes at port. Can Massive Cargo Ships Use Wind to Go Green? 2021-06-24T04:00:00Z But engineers ran into a problem on Friday night when they went for the high-speed rotor test: Ingenuity’s “watchdog” software detected a bug and prevented the craft from performing the test. Ingenuity’s flight on Mars is delayed again as NASA fixes a software bug 2021-04-13T04:00:00Z Originally expected to happen as early as Sunday, the flight was postponed until no earlier than Wednesday after a problem during a test of spinning the rotor blades at full power. NASA is preparing to fly the Ingenuity helicopter on Mars, in an otherworldly ‘Wright brothers moment’ 2021-04-10T04:00:00Z “During a high-speed spin test of the rotors on Friday, the command sequence controlling the test ended early due to a ‘watchdog’ timer expiration,” according to NASA. NASA again postpones historic Ingenuity helicopter flight on Mars 2021-04-13T04:00:00Z However two days before the big event, its rotors failed. NASA again postpones historic Ingenuity helicopter flight on Mars 2021-04-13T04:00:00Z On the ship’s main control panel, a small, mint green console the size and shape of a pulpit controls the speed and movement of the rotors in the open ocean. Can Massive Cargo Ships Use Wind to Go Green? 2021-06-24T04:00:00Z Ingenuity was healthy, it just couldn’t do the high-speed rotor spin. Ingenuity’s flight on Mars is delayed again as NASA fixes a software bug 2021-04-13T04:00:00Z During Ingenuity’s first test flight, its rotors will be spun at more than 2,500 revolutions per minute, and the helicopter will ascend through the thin atmosphere to just 10 feet. NASA receives first weather reports from Perseverance rover on Mars at Jezero Crater 2021-04-08T04:00:00Z Then, Ingenuity will proceed to run its rotors to 2,537 revolutions per minute, and lift off. The Ingenuity helicopter just survived its first night alone on Mars. Now comes the hard part 2021-04-05T04:00:00Z “During a high-speed spin test of the rotors on Friday, the command sequence controlling the test ended early due to a ‘watchdog’ timer expiration”, according to NASA. NASA again postpones historic Ingenuity helicopter flight on Mars 2021-04-13T04:00:00Z Stevedores board ships to operate the cranes mounted on deck, and the rotor sails seemed to be partially blocking this stevedore’s line of sight. Can Massive Cargo Ships Use Wind to Go Green? 2021-06-24T04:00:00Z Ingenuity’s carbon fiber rotor blades will spin roughly 2,400 rpm during flight. Ingenuity’s flight on Mars is delayed again as NASA fixes a software bug 2021-04-13T04:00:00Z The sugary whirlybird also features rotor blades and windows made from white chocolate. Giant chocolate helicopter 'a big challenge' 2021-03-31T04:00:00Z The plan is for Ingenuity to run its rotors to 2,537 revolutions per minute, and then lift off. First flight on Mars? Ingenuity helicopter preps for takeoff 2021-03-26T04:00:00Z There are three Bell AH-1 Cobra attack helicopters used in combat during Vietnam and Desert Storm but missing various propellers, rotors and engines. Nonprofit helps veterans with PTSD by repairing helicopters 2021-03-01T05:00:00Z Though they bear no resemblance to the sails of old, they function like them: Wind splits into high- and low-pressure systems when it hits the rotors, creating thrust that pulls the ships forward. Can Massive Cargo Ships Use Wind to Go Green? 2021-06-24T04:00:00Z The video shows it taking off vertically, like a helicopter, and then shifting into forward flight using tilt rotors. Joby Aviation is going public, reveals its electric aircraft in flight for the first time 2021-02-24T05:00:00Z After being dropped to the surface, the helicopter will furiously spin its rotors to ascend 3 meters in the air for 20 seconds. After dramatic landing, Mars rover will probe ancient lake for clues to planet’s wet past 2021-02-23T05:00:00Z The helicopter will then furiously spin its rotors to ascend in the thin martian air. ‘Touchdown confirmed!’ Perseverance landing marks new dawn for Mars science 2021-02-18T05:00:00Z If its rotors lift the tiny copter off the ground, Ingenuity will be the first vehicle to achieve powered flight on another planet — an extraterrestrial Wright Brothers moment. NASA’s Mars rover, Perseverance, aims for dicey landing to search for ancient life 2021-02-16T05:00:00Z They told me it was the first time they’d seen such a sight or heard the deep whir that comes from the rotors at full spin. Can Massive Cargo Ships Use Wind to Go Green? 2021-06-24T04:00:00Z Among the most fascinating elements of Salt Lake City’s weather are rotor winds. Would you live here? These U.S. cities have particularly wild, extreme weather. 2021-01-08T05:00:00Z The green rotors whirred atop Marine One, lifting Donald Trump high above the locked-down city beneath him, its streets fortified behind black steel fencing and its most sacred sites surrounded with razor wire. A locked-down capital celebrates Biden’s inauguration and Trump’s departure 2021-01-20T05:00:00Z “It’s been a great honor, the honor of a lifetime. The greatest people in the world, the greatest home in the world,” Trump told reporters before heading to Marine One, rotors whirring, on South Lawn. Trump leaves White House, says ‘It’s been a great honor’ 2021-01-20T05:00:00Z The turning diameter of its rotor is longer than two American football fields end to end. A Monster Wind Turbine Is Upending an Industry 2021-01-01T05:00:00Z There are four yellow remotes, one for each rotor. Can Massive Cargo Ships Use Wind to Go Green? 2021-06-24T04:00:00Z This is a piloted black box surrounded by six arms mounting rotor blades. New aircraft spy opportunities amid aerospace woes 2020-11-23T05:00:00Z News reports showed the helicopter on its side on the rooftop pad, with its rotor blades gone. Helicopter delivering human organ crashes on hospital roof 2020-11-06T05:00:00Z Rescued passengers on Tuesday morning were seen on video streaming across the tarmac with backpacks and hiking shoes, the rotors of a Chinook still whirring. ‘You Couldn’t See Anything’: Harrowing Helicopter Rescues as California Wildfires Rage 2020-09-08T04:00:00Z "One of the mitigation measures we tested was painting one of three rotor blades black," he told BBC News. Black turbine blade 'can cut bird deaths' 2020-08-26T04:00:00Z The Air Force report did not examine the use of National Guard helicopters to harass protesters by hovering over them, creating a deafening roar and blasting the crowd with rotor wash. Military Surveillance Planes Didn’t Spy on Protesters, Pentagon Report Finds 2020-08-21T04:00:00Z They woke suddenly to the sound of helicopter rotors, followed by shouting through megaphones. Did UK Special Forces execute unarmed civilians? 2020-08-01T04:00:00Z The helicopter is a bit bigger than a softball, minus its four carbon-fiber blades, which spin on two counterrotating rotors and sits on four legs, each 15 inches long. NASA's Ingenuity--the First Ever Off-World Helicopter--Is Set for a 'Wright Brothers Moment' on Mars 2020-07-27T04:00:00Z The Black Hawk “M” model has new vibration controls, rotor blades and advanced sensors. Army enters a new era in warfare for 2040 -- the 'Big 10' 2020-07-23T04:00:00Z Its rotors sounded like a jackhammer in the distance as the chopper approached the facility. In Imperial County, medical air teams work around the clock to move COVID-19 patients 2020-07-17T04:00:00Z Online websites say it causes a helicopter to lose main rotor lift and experience loss of control. Lack of training likely cause in copter crash during rally 2020-07-15T04:00:00Z Guard soldiers also supported police officers in the violent removal of peaceful protesters from Lafayette Square, and Guard helicopters descended low over Washington’s streets, driving pedestrians before them with stinging grit and rotor wash. Trump Didn’t ‘Send In the Troops.’ They Were Already There. 2020-06-23T04:00:00Z Guard flew low over protesters on June 1 in what lawmakers and human rights groups called a “show of force” meant to frighten and disperse them with roaring engines and powerful rotor wash. Army activates 400 Guard troops to protect monuments in Washington, D.C. 2020-06-24T04:00:00Z On some days, the sound of helicopter rotors beating overhead made it almost impossible to do any school work. School year over, worn-out Washington parents analyze what worked, what didn’t in at-home lessons 2020-06-22T04:00:00Z The procedural distinctions were often seemingly minor — involving, say, a different rotor type for spinning samples to separate their molecular components. Could tracking RNA in body fluids reveal disease? 2020-06-16T04:00:00Z When Tosar cooled the rotor sufficiently, the results from the analysis showed a tiny peak indicating the presence of large RNA molecules in the extracellular space, where they were not expected to be. The biologist on the hunt for extracellular ribosomes 2020-06-16T04:00:00Z According to CEO Elon Musk, it’s a stylized section of the cross-section of an electric motor that represents a section of the stator and rotor that comprises one. Here's what the Tesla logo really means 2020-06-15T04:00:00Z Officials said an investigation is expected to be wrapped up by mid-week into the use of a low-flying military helicopter during marches that some have claimed used its rotor wash to harass protesters. Army secretary: Pentagon nearly sent active duty troops to D.C. to quell riots 2020-06-07T04:00:00Z The downward force of the helicopter’s rotor blades snapped a small tree, with debris almost hitting several people. Pentagon Ordered National Guard Helicopters’ Aggressive Response in D.C. 2020-06-06T04:00:00Z Guard began hovering over demonstrators, who are protesting the death of George Floyd while in police custody in Minneapolis, blasting them with gusty rotor wash from the aircraft. Pentagon disarms National Guard activated in D.C., sends active-duty forces home 2020-06-05T04:00:00Z And the evidence from his serendipitous uncooled rotor experiment is preliminary. The biologist on the hunt for extracellular ribosomes 2020-06-16T04:00:00Z The main part of the T is one of the windings on the rotor while the line above it, separated by a space, is the stator. Here's what the Tesla logo really means 2020-06-15T04:00:00Z National Guard buzzed low over a city street, using its downward draft from the rotors to scatter demonstrators, a tactic used in wartime maneuvers. Humvees, helicopters and the National Guard: D.C. officials push back on show of federal force on city streets 2020-06-04T04:00:00Z The downward force of air from the rotors was deafening. Former Commanders Fault Trump’s Use of Troops Against Protesters 2020-06-02T04:00:00Z On Monday night, Army helicopters had flown low over protesters in Washington, blasting them with high wind from the rotors — a dangerous maneuver used to intimidate enemies on overseas battlefields. Large protests against police violence again fill streets of U.S. cities 2020-06-02T04:00:00Z A military chopper buzzed a crowd of demonstrators so close to the ground they were buffeted around by the wind from the rotor, a dispersal technique learned in counter-insurgencies abroad. 'How did we get here?': Trump has normalised mayhem and the US is paying the price 2020-06-02T04:00:00Z Army helicopters hovering just above downtown Washington, blasting protesters with their rotor wash. Protests reignite despite new curfews, larger police presence in many cities 2020-06-01T04:00:00Z The condition causes a helicopter to descend in the downwash of its rotor blades and makes it vulnerable to “uncommanded pitch and roll oscillations.” Report on fatal police helicopter crash focuses on training 2020-05-14T04:00:00Z A project in Switzerland uses rotor drones to ferry lab samples across the city of Zurich. UK tests use of drone to deliver supplies to hospitals 2020-05-12T04:00:00Z A two-seat gyroplane, which has rotors like a helicopter, had been cleared for a touch-and-go landing on the same runway, which runs east to west. F.A.A. Investigates Harrison Ford and His Plane Again 2020-04-29T04:00:00Z To achieve this, they are building backup rotors, engines, batteries and flight control systems into their designs. Are flying taxis ready for lift-off? 2020-03-07T05:00:00Z The interim report said examination of both rotor assemblies found damage “consistent with powered rotation at the time of impact.” Pilot in Kobe Bryant helicopter crash counseled by FAA after 2015 incident 2020-02-22T05:00:00Z New and existing ships could run on marine gas oil and use energy-saving technologies — such as air lubrication for ship hulls and wind-powered rotor sails — to minimize fuel use. Do cruise companies’ green claims hold water? 2020-02-08T05:00:00Z The aircraft used in the trial looks nothing like the rotor drones typically flown by hobbyists. UK tests use of drone to deliver supplies to hospitals 2020-05-12T04:00:00Z Investigators also believe that since a tree branch at the crash site was cut, the twin engines were working and the rotors turning at the time of impact. Kobe Bryant helicopter had nearly cleared blinding clouds 2020-02-07T05:00:00Z “Examination of the main and tail rotor assemblies found damage consistent with powered rotation at the time of impact. The initial point of impact consisted of highly fragmented cabin and cockpit debris,” the report noted. NTSB releases photo of Kobe Bryant helicopter flying into cloud before crash and other images 2020-02-07T05:00:00Z Investigators believe that since a tree branch at the crash site was cut, it appears the engines were working and rotors turning at the time of impact. Probe: No engine failure in Kobe Bryant helicopter crash 2020-02-07T05:00:00Z When pilots started the engines, the drooping rotors straightened, and their blades began colliding. Years of Safety Disputes: Inside the Company that Flew Kobe Bryant 2020-02-06T05:00:00Z They have sophisticated technology that will allow them to figure out where the first impact of the rotor blade was, for example. Lack of ‘black box’ could hinder Kobe Bryant crash investigation 2020-01-28T05:00:00Z She said a piece of the tail is down one side of the hill, the fuselage is on the other side of the hill and the main rotor is 100 yards “beyond that.” Kobe Bryant helicopter crash site a 'devastating scene,' NTSB official says 2020-01-27T05:00:00Z “And then the fuselage is just beyond that hill. And then the main rotor is just beyond that.” Kobe Bryant crash investigators report 'tremendous response' to request for weather photos; NTSB official describes debris field 2020-01-28T05:00:00Z Investigators found a rotor blade failure led to the tragedy, and the FAA issued a safety directive ordering the review and removal of the rotor blades. Kobe Bryant’s pilot received clearance to fly in poor weather before crash 2020-01-27T05:00:00Z Lawrence, an experienced accident investigator, said the possible causes of the crash run the gamut from engine problems to rotor failures to electrical malfunctions. Probe of Kobe Bryant crash will probably focus on fog, possible mechanical problems, experts say 2020-01-27T05:00:00Z Helicopter rotors chopped through the foggy canyon Sunday morning, too loud, too low. Kobe Bryant's death in helicopter crash prompts worldwide mourning 2020-01-27T05:00:00Z He heard nothing amiss with the engine or rotors and said he did not see any mechanical issue with the chopper. Kobe Bryant, 4 others killed in California chopper crash 2020-01-26T05:00:00Z As he got to the door of the helicopter, the wind hit him, as did the rotor wash, as did his nerves. Overtaken by Frigid Seas, Hours From Help, There Was Little Chance of Survival 2020-01-09T05:00:00Z They show up in the whir of helicopter rotors and drones, now a fixture in the soundtrack of the capital’s daily life. For Iraqis, an unwanted conflict threatens their country once more 2020-01-08T05:00:00Z Multiple rotors would allow for vertical takeoff and landing and be quieter than large-rotor helicopters with combustion engines — a feature critical to its use in cities, according to the company. Where’s Your Flying Car? Hyundai and Uber Say They’re Working on It 2020-01-07T05:00:00Z Hyundai says by using smaller, electric-powered rotors, the vehicle will produce less noise than a combustion engine helicopter, which is crucial for cities worried about noise pollution. Hyundai will make flying cars for Uber’s air taxi service 2020-01-06T05:00:00Z As a helicopter is falling, air rushes up from under the main rotor and pushes the blades, turning the rotor and creating just enough lift to touch down. ‘God no! God no!’ Report reveals final seconds before Newport Beach copter crash 2019-12-29T05:00:00Z Over the next three years, Dragonfly — a dronelike helicopter with eight rotors — will skip from site to site, poking, measuring and taking it all in. Go Ahead, Take a Spin on Titan 2019-12-03T05:00:00Z A factory where helicopter rotors are fabricated was expanded. The One-Traffic-Light Town with Some of the Fastest Internet in the U.S. 2019-12-03T05:00:00Z In a research paper, the team note that SQUID’s rotors start running around 200 milliseconds after launch and that the quadcopter is “stable and hovering” in less than a second. This transforming drone can be fired straight out of a cannon 2019-11-21T05:00:00Z Its four rotors produce a sound like an angry garden strimmer. New police drones deployed to find missing people 2019-11-03T04:00:00Z He added: "Simultaneously the lights went out and it seemed to me that the rotor stopped spinning. It was still turning but not under power." Clutha: What we know about the final flight 2019-10-30T04:00:00Z Today, the company unveiled a new look for its drone, which utilizes “innovative rotating wings with six rotors” to better enable the transition between vertical takeoff and forward flight. Uber unveils a new look for its food delivery drones 2019-10-28T04:00:00Z There is a rotor at the end of the tail and it counters the turning effect of the main rotor - the one above the helicopter. 'Worst moment in the history of Leicester City' 2019-10-26T04:00:00Z The drones are made of the same kind of foam used in bicycle helmets and fly using a combination of 12 helicopter-like rotors and two wing-mounted propellers. Virginia town becomes home to nation’s first drone package delivery service 2019-10-19T04:00:00Z Two powerful rotors on the machine’s torso allow it to leave the ground when it’s convenient or regain balance by using thrust to shift its weight as needed. Caltech’s latest creation: A hovering, bird-like robot that could someday explore Mars 2019-10-09T04:00:00Z The sensation was so familiar — the crackling wood, the helicopter rotors drumming through dread and adrenaline, dry wind and smoke and fire lighting the sky blood red. Saddleridge fire's rapid spread left residents little time to get out 2019-10-12T04:00:00Z Thankfully, his condition improved by the next day and relief came in the form of the sound of helicopter rotor blades. Pakistan climber rescue: 'I could smell the blood' 2019-10-09T04:00:00Z If there is a fault with the tail rotor, the helicopter will start to spin. 'Worst moment in the history of Leicester City' 2019-10-26T04:00:00Z Sorry, high rollers, your rotors have been clipped. And starring in the role of Jerry Buss ... 2019-09-11T04:00:00Z In the 2016 crash the Super Puma’s main rotor blades separated from the helicopter as it was ferrying passengers from an offshore oil platform. Airbus orders visual checks on some helicopter models after fatal... 2019-09-11T04:00:00Z The included illustrations show a rotor with several Chevrolet bow tie logos and the application describes a process to embed them “without adding prohibitive cost to the manufacturing process or compromising component quality.” Chevrolet found another place to put bow ties on its cars 2019-09-04T04:00:00Z Brent Millett knew something was wrong last Saturday as he stood outside the large yurt he shares with his wife and daughter and heard the loud rotor noise of an ominous-looking black helicopter. ‘He felt really deeply’: The man killed outside Tacoma ICE detention center had a complex life 2019-07-19T04:00:00Z Deputies fired back and there was a second shootout before someone in the car fired on a sheriff’s helicopter, possibly hitting a rotor, before the SUV’s occupants stopped and ran off. 1 dead after Compton SUV chase marked by shootouts 2019-07-05T04:00:00Z It will look like a drone, with eight rotors helping it soar across the moon’s surface for tens of miles at a time in under an hour. NASA chooses Saturn’s moon Titan as its next destination 2019-06-27T04:00:00Z I was there, and found the experience striking but ultimately monotonous—a lot of frantic tremolo competing with the whirr of rotor blades. Karlheinz Stockhausen Composes the Cosmos 2019-06-17T04:00:00Z In 1977, four people waiting on the roof were killed when a helicopter toppled over and a rotor blade broke off and hit them. Helicopter crashes on roof of NYC skyscraper; pilot killed 2019-06-10T04:00:00Z It uses six rotors, and “sees” what’s around it using a combination of data from visual, thermal and ultrasonic sensors. Amazon to deliver by drone 'with months' 2019-06-05T04:00:00Z Phoenix Fire Department officials say the woman was treated for dizziness and nausea but suffered no other ill effects when the stretcher spun ever-faster in the backwash of the helicopter’s rotor blades. Rescue of injured 74-year-old hiker spins out of control 2019-06-05T04:00:00Z Powered by six hydrogen fuel cell batteries - one for each rotor engine - the aircraft are designed for a range of 300 miles but are envisioned mainly for short urban hops or flights between nearby cities. Hydrogen-powered flying vehicle touted as Southern California... 2019-05-29T04:00:00Z The truck’s shock absorbers failed along the way, and about two miles outside of the town, they were bleeding fluid all over the brake rotors, and the brakes failed too. Measles cases flare beyond 700 and anti-vaxxers — the apex helicopter parent — are to blame 2019-05-01T04:00:00Z The aircraft was on the second leg of a test flight that was scheduled to be the last test for the rotor blades. NTSB releases report on deadly helicopter crash near Phoenix 2019-04-25T04:00:00Z Forty claimants are pursuing damages for repairs to brake calipers and rotors; rims and wheels; tires; improper wheel alignment; suspension way bars and other vehicle parts. Motorists pursuing damages from Indiana due to I-69 potholes 2019-04-13T04:00:00Z The thrum of the rotors brings them to their feet, and they chant his name in a thunderous roar: Mo-di! In the world’s biggest election, India’s Narendra Modi pushes fear over hope 2019-04-10T04:00:00Z The aircraft sustained significant damage to its cab and rotors. Helicopter with 2 aboard crashes at Massachusetts airport 2019-04-02T04:00:00Z The vehicles use distributed electric propulsion, which means multiple, separate generators and rotors. A new generation of flying cars is taking to the air. But without the cars 2019-02-22T05:00:00Z A YouTube video posted by the company shows the plane loitering on an airfield and then rising off the ground with the help of horizontal rotors at the click of a technician’s computer mouse. Boeing’s futuristic flying taxi gets off the ground in Manassas, Va. 2019-01-27T05:00:00Z The not-for-profit group, with more than 7,000 pilots and mechanics, also assists airlines in designing rotor transition programs. U.S. airlines tap army helicopter pilots to ease shortage 2019-01-23T05:00:00Z A maintenance man working on a helicopter in south Florida was decapitated in a freak accident Thursday after the main rotor blades suddenly jerked up and down before fatally slicing the 62-year-old man, authorities said. Florida man decapitated in freak helicopter accident identified, authorities say 2019-01-11T05:00:00Z One of the satellite’s gyroscopes failed, which is a type of spinning rotor that is used by many spacecraft to help them point. Fixing broken satellites in space could save companies big money 2019-01-10T05:00:00Z The large ducts hide the rotors, which should help ease any anxiety from customers about losing a limb from its fast-spinning blades. Bell’s hybrid-electric flying car will be available via Uber by the ‘mid-2020s’ 2019-01-07T05:00:00Z The magnetic force of the rotor magnets and the gap between the coreless stator and rotor magnets has also been tweaked, giving SL-1200MK7 torque that the company says is on par with the SL-1200MK5. Technics announces a new SL-1200 turntable for DJing 2019-01-07T05:00:00Z Then he urged me to test the braking system, which features Lambo-branded rotors that, at 17 inches, are the largest ever run on a production vehicle. Lamborghini made the world’s fastest SUV — and it kinda makes sense 2018-12-21T05:00:00Z “This motion caused the main rotor blades to strike one of the men, who was working on the helicopter,” the sheriff’s office said in a written statement. Florida man decapitated in freak helicopter accident identified, authorities say 2019-01-11T05:00:00Z Even small drones could cause severe consequences by damaging a helicopter’s rotor or getting sucked into a jet engine. UK airport chaos highlights difficulty in stopping drones 2018-12-20T05:00:00Z It’s where aerodynamic forces caused by a helicopter’s main rotor system overpower the hydraulic system. Report: Medical helicopter was going fast before fatal crash 2018-12-14T05:00:00Z Britain’s Air Accidents Investigation Branch said in a “Special Bulletin” on Thursday that the cockpit pedals had become disconnected from the tail rotor. Soccer: Leicester City helicopter crash investigators say tail... 2018-12-07T05:00:00Z One big problem with rotors is they get in the way of port cranes that load and unload cargo. Sails make a comeback as shipping tries to go green 2018-12-06T05:00:00Z As he left Washington on Thursday for the G20 summit in Argentina, the president yelled denials over the roar of helicopter rotors. 'Mueller knows a lot': Manafort and Cohen moves put Trump in firing line 2018-12-01T05:00:00Z The rotor blades of an attack helicopter spinning toward my virtual soldier didn’t look any more fluid or discernible between frames either. MSI Oculux NXG251 monitor review: faster isn’t always better 2018-11-29T05:00:00Z A low-flying police helicopter hovered overhead as the migrants waded in large groups across the murky river, apparently trying to use the downdraft from its rotors to discourage them. Migrant caravan demands transport as 2nd group enters Mexico 2018-10-30T04:00:00Z The helicopter’s manufacturer has already issued a safety alert to all owners of the AW169 and the European Aviation Safety Agency has issued a directive mandating repetitive inspections of the tail rotor control mechanism. Soccer: Leicester City helicopter crash investigators say tail... 2018-12-07T05:00:00Z A low-flying police helicopter hovered overhead as the migrants waded in large groups through the Suchiate River’s murky waters, apparently trying to use the downdraft from its rotors to discourage them. Second migrant caravan enters Mexico despite heavy police presence 2018-10-29T04:00:00Z "If you lose your tail rotor it's almost impossible to recover from," said Mr Rowlands. Leicester helicopter crash: What we know 2018-10-28T04:00:00Z In May, Norway’s Accident Investigation Board concluded that “a fatigue fracture” in the main rotor gearbox caused the crash and excluded maintenance actions by the helicopter operator. Norway police close probe into 2016 fatal crash 2018-10-23T04:00:00Z They scrambled for the supplies unloaded from the back of the aircraft as its rotors spun. Endless search for dead a week after Indonesia's quake 2018-10-05T04:00:00Z The Federal Aviation Administration said Tuesday it was looking into a complaint about the incident, in which the state police helicopter got so low it sent tents and other material flying from the rotors’ downdraft. FAA looks into low-flying helicopter at Penn State tailgate 2018-10-02T04:00:00Z When the rotors are in a vertical position, this aircraft takes off, lands and hovers like a helicopter. $674 billion of tanks, fighter jets, subs and more to boost US military power in 2019 2018-09-20T04:00:00Z More than 1,000 Chinese companies export auto parts to the U.S., shipping axles, fog lamps, brake rotors and more to U.S. auto companies and parts stores. Latest U.S. Tariffs Could Make Auto Parts Pricier 2018-09-19T04:00:00Z “Left-front brake rotor exploded and went through the hood,” the Furniture Row Racing driver said. Keselowski bumps Hamlin to win in Indy 2018-09-10T04:00:00Z The team developed tools to work through the hundreds of permutations, including punched cards and a mechanical device with rotors that mimicked Enigma, which, for uncertain reasons, the team called a bomba. Forgotten heroes of the Enigma story 2018-09-02T04:00:00Z The cylinders, or rotor sails, work as mechanical sails that spin to propel the vessel forward. Maersk Tankers tests wind power to fuel ships 2018-08-30T04:00:00Z The helicopter was heavily damaged in the incident, ending up on its side with damage to its rotors. Helicopter makes hard landing at airport; 1 injury reported 2018-08-10T04:00:00Z AeroVironment Inc. is making the rotors, landing gear and material to hold solar panels for the Mars Helicopter project, which will be assembled at NASA’s Jet Propulsion Laboratory in La Cañada Flintridge. AeroVironment draws on high-altitude drone development to help make a helicopter for Mars 2018-07-31T04:00:00Z Unlike a helicopter’s, though, this rotor is not powered by the engine. A car that flies like 007’s autogyro 2018-07-19T04:00:00Z The spinning rotor blades that now line the foothills were a first skirmish line in the battle over who controls the county’s future, opponents of the solar farm said. Solar Plan Collides With Farm Tradition in Pacific Northwest 2018-07-11T04:00:00Z Army helicopter near New York City damaging a rotor blade. U.S. officials warn Congress on risks of drones, seek new powers 2018-06-06T04:00:00Z And, unlike normal-sized people, we know the truth about ceiling fans: they are not helicopter rotors. What’s it like to be 6ft 8in tall? 2018-06-02T04:00:00Z One is that the propellers and rotors used to lift conventional aircraft are not effective at small scales, where the viscosity of air is a problem. The world’s lightest wireless flying machine lifts off 2018-05-15T04:00:00Z The slow-turning rotors also produce less noise than normal, which could be a crucial factor in winning over NIMBY-minded urban residents. Uber’s ‘flying taxis’ will be built by these five aerospace companies 2018-05-08T04:00:00Z They expect to spend $1 million to develop and test prototypes for a rotor system that would be used on a vertical take-off and landing vehicle. Uber, U.S. Army ally to test quiet aircraft technology 2018-05-08T04:00:00Z The Ka-52 uses a coaxial rotor system - two rotors on the same axis but rotating in opposite directions. 2 pilots killed in Russian helicopter crash in Syria 2018-05-08T04:00:00Z The Ka-52 uses a coaxial rotor system — two rotors on the same axis but rotating in opposite directions. 2 pilots killed in Russian helicopter crash in Syria 2018-05-08T04:00:00Z There was a spider-like black edition with rotors for legs, a streamline fixed wing unit that looked like it was from Star Wars and a simple craft made by students with the electronics exposed. ECSU offers drone courses, with a 4-year degree coming soon 2018-04-28T04:00:00Z The rotors are connected to the windmill tower by a nacelle — a large enclosure the size of a trailer, with plenty of room inside to walk around. Windmills with blades as long as a jumbo jet’s wingspan are making clean energy mainstream 2018-04-25T04:00:00Z From fans’ perspective, racing is simply more exciting at night, with sparks flying off the rotors, occasional flames flickering and the bright paint-schemes shimmering under the lights. For Denny Hamlin, NASCAR stops at Richmond short track always feel like home 2018-04-18T04:00:00Z Although failures on engines are rare, a 2008 report by the FAA found that "a number of rotor disk fracture and cracking events have originated from embedded anomalies" that were not detected during production inspections. Metal weakness like the fatigue in Southwest plane's engine can lie hidden for years 2018-04-19T04:00:00Z It is slightly slower than the duration of one rotation of a helicopter rotor blade. How Do Athletes’ Brains Control Their Movements? 2018-04-13T04:00:00Z As the suspension moved up and down, hydraulic fluid from the absorber would be forced through their device, turning a rotor that generated electricity. A new type of smooth car suspension 2018-03-15T04:00:00Z Looming over the top deck outside are the rotors. Windmills with blades as long as a jumbo jet’s wingspan are making clean energy mainstream 2018-04-25T04:00:00Z The object created no rotor wash – the visible air turbulence left by the blades of a helicopter – he said, and began to mirror the pilots as they pursued it, before it vanished. Video shows Navy pilot’s close encounter with an unidentified fast-flying object 2018-03-12T04:00:00Z Most conventional drones achieve this with a number of small, electrically powered rotors mounted on the corner of the vehicle, or on extended arms. Passenger drones are a better kind of flying car 2018-03-08T05:00:00Z Officials said the helicopter crashed in thick fog after its rotor clipped a mountainside while preparing to land. At least 3 killed in Russian helicopter crash in Chechnya 2018-03-07T05:00:00Z “The rotor is not powered,” Dingemanse said, “so it’s actually a parachute which is always available.” High hopes: Dutch company launches flying car at Geneva show 2018-03-06T05:00:00Z The largest rotor blades can reach 270 feet in length, comparable to the wingspan of an Airbus A380, the world’s largest commercial plane. Windmills with blades as long as a jumbo jet’s wingspan are making clean energy mainstream 2018-04-25T04:00:00Z Without human pilots or aircrews, who would ensure passengers are protected from the uncovered rotor blades that would power most air-taxi designs? Boeing CEO is bullish on self-piloted flying taxis 2018-03-04T05:00:00Z Without human pilots or air crew, who would ensure passengers are protected from the uncovered rotor blades that would power most air taxi designs? Boeing's CEO believes flying taxis will be ready in the next decade 2018-03-03T05:00:00Z They also accuse mechanic Matthew Hecker and its inspector Daniel Friedman of negligence over the state of the helicopter, in particular its tail rotor. Newlywed's parents sue over Grand Canyon crash that killed five 2018-03-03T05:00:00Z A sailor was hit by a helicopter rotor blade at Camp Pendleton Marine Corps base, according to the military. Sailor hit by helicopter blade in critical condition 2018-02-23T05:00:00Z At first glance, it’s not much to look at: an egg-shaped cabin perched on landing skids with eight rotors and wings that tilt up or forward for vertical or horizontal flight. Airbus’ ‘flying taxi’ isn’t much to look at, but it’s a major step toward electric flight 2018-02-22T05:00:00Z He did find evidence for something called, “a rotor circulation associated with a strong mountain lee wave.” Mysterious wind may have felled more than 100 old-growth trees near Lake Quinault 2018-02-19T05:00:00Z Hundreds of thousands of letters, photographs, jungle boots, stuffed animals, sculptures, dog tags, college rings, a motorcycle, cigars, a piece of a helicopter rotor blade and human remains have been left. Families have left cremated remains at the Vietnam Wall for decades. Now officials want them to stop. 2018-01-28T05:00:00Z Bell officials said in a statement they have modified the flight controls so a pilot’s involuntary movements won’t be passed on to the rotors. NTSB: High speed, low rotor speed led to helicopter crash 2018-01-17T05:00:00Z As the main rotor slowed, its blades began to flap wildly, causing a vibration that shook the pilot so violently that his involuntary control inputs made the vibrations worse. NTSB: High speed, low rotor speed led to helicopter crash 2018-01-17T05:00:00Z The watch is powered entirely by a self-winding rotor for the automatic movement and a combination of a kinetic generation and solar power for the e-Crown side of things. Nest’s co-founder helped design this crazy concept smartwatch 2018-01-15T05:00:00Z Powered by an electric propulsion system, the CAV prototype is outfitted with eight rotors allowing for vertical flight. Boeing built a giant drone that can carry 500 pounds of cargo 2018-01-10T05:00:00Z The arms of existing Zano drones, he explained, were too fragile meaning the rotor blades snapped off if they suffered a minor collision. Zano: Zombie drone whirs back to life 2018-01-09T05:00:00Z As the main rotor slowed, its blades began to flap wildly, causing a vibration that shook the pilot so violently his involuntary control inputs made the vibrations worse. NTSB: High speed, low rotor speed led to helicopter crash 2018-01-17T05:00:00Z On Saturday, another US military helicopter made an emergency landing on an Okinawan beach because of a faulty rotor. US apologises to Japan over accidents 2018-01-09T05:00:00Z Among recent incidents, a U.S. military transport helicopter made an emergency landing on an Okinawa beach on Saturday because of a faulty rotor. World Digest: Jan. 8, 2018 2018-01-08T05:00:00Z Another Marines Corps helicopter made an emergency landing on a beach in Okinawa on Saturday because its rotor appeared to be spinning too fast. Second US military chopper makes emergency landing in Japan 2018-01-08T05:00:00Z Japanese television showed personnel in dark green uniforms using stepladders on the beach Sunday to reach the rotor, and then handing down a large part and carting it away. Rotor issue caused US helicopter emergency landing in Japan 2018-01-07T05:00:00Z Is the paddling rotor a sign of the apocalypse? Times music writers pick their top albums of 2017 2017-12-29T05:00:00Z As the kite flies around, rotors on the wing spin as the wind moves through them. Forget Juicero, here are the tech gadgets we can actually get excited about in 2018 2017-12-28T05:00:00Z The turbine crashed, with damage estimated at $33 million, and although it was refitted with a new rotor by GE, it is still to resume operations. In Pakistan, questions raised over GE's flagship power turbines 2017-12-27T05:00:00Z The WheelTug incorporates the elements of an electric motor, such as the stator and the rotor, inside the hub of each of the 737’s twin nose wheels. Motorised nose wheels will let planes leave gates by themselves 2017-12-14T05:00:00Z The second, in the US, involving a military helicopter, again landed safely but with damage to its main rotor blade. Drone collisions 'worse than bird hits' 2017-12-05T05:00:00Z The vessel was missing a rotor blade and navigational devices. Skeletons found on Japan 'ghost ship' 2017-11-28T05:00:00Z Just after sunset a shoe box–size airborne object collided with one of the choppers, damaging its main rotor blade, window frame and transmission system. Here's How Drones Do (and Don't) Threaten Passenger Aircraft 2017-11-08T05:00:00Z The turbine crashed, with damage estimated at $33 million, and although it was refitted with a new rotor by GE, it is still to resume operations. In Pakistan, questions raised over GE's flagship power turbines 2017-12-27T05:00:00Z Vestas already produces onshore turbines at four factories in the United States, but large offshore turbine parts like the nacelles, towers and rotors would be made at existing facilities in Europe, said Thomsen. U.S. wind concerns ease as Trump cabinet calls on Denmark to help boost offshore output 2017-10-26T04:00:00Z The helicopter sustained damage to its main rotor blade and a window but landed safely at Linden Airport in New Jersey. NTSB investigation crash involving drone, Army helicopter 2017-10-05T04:00:00Z There were some notable entries, Connor said, such as the Autogiro, which had foldable rotors and could fly about — or tool along roads at 25 miles per hour. Contest seeks to make those ‘Jetsons’ dreams a reality 2017-09-26T04:00:00Z The AAT, which is about two meters high, was supplied by specialist German manufacturer Volocopter, known for its eponymous helicopter drone hybrid with 18 rotors. Dubai starts testing crewless two-person flying taxis 2017-09-26T04:00:00Z Several such coils form the rotor, which is the part of the motor that turns, and which sits inside the stator, which does not. As electric motors improve, more things are being electrified 2017-09-14T04:00:00Z Vestas already produces onshore turbines at four factories in the United States, but large offshore turbine parts like the nacelles, towers and rotors would be made at existing facilities in Europe, said Thomsen. U.S. wind concerns ease as Trump cabinet calls on Denmark to help boost offshore output 2017-10-26T04:00:00Z That means less electricity is required to spin the rotor, which translates into more efficient propulsion. Spinning metal sails could slash fuel consumption, emissions on cargo ships 2017-09-06T04:00:00Z A stationary stator holds the machine in place while a moving rotor spins and drills across the cell membrane. Nanomachines drill holes into cancer cells 2017-08-30T04:00:00Z The drone uses 20 rotors to lift two firefighters up to the scene of the blaze where they drop balls of “fire extinguishing powder” into canons to extinguish the flames. This video about a gyroscopic vehicle concept is full of other ridiculous ideas, too 2017-08-27T04:00:00Z That causes the rotor to turn until it has aligned itself with the magnetic fields. As electric motors improve, more things are being electrified 2017-09-14T04:00:00Z It was a delicate task, as the pilot had to be careful not to hit the snow with a rotor blade. Mount Hood climber died after delays slowed rescue 2017-08-20T04:00:00Z However, Flettner failed to find investors interested in rotor sail–powered ships. Spinning metal sails could slash fuel consumption, emissions on cargo ships 2017-09-06T04:00:00Z The paddlelike rotor, a series of three rings of carbon atoms, begins rotating 2 million to 3 million times per second when hit by ultraviolet light. Nanomachines drill holes into cancer cells 2017-08-30T04:00:00Z From chapters on the portals where The bride and groom were wed Use three that match the rotors in The order they’d be read. A Spy Novel Whose Clues Are Found on New York Landmarks 2017-07-20T04:00:00Z The commutator is attached to one end of the rotor, and picks up power from stationary “brushes” as it turns. As electric motors improve, more things are being electrified 2017-09-14T04:00:00Z In September 1971, he received a rotor chain bracelet, given to helicopter pilots shot down in combat. EXCHANGE: Army pilot reunites with fighter copter in Dixon 2017-07-20T04:00:00Z Unlike Flettner’s original rotor sails, the new versions are intended to only provide supplemental thrust rather than entirely replace a ship’s engine, Riski says. Spinning metal sails could slash fuel consumption, emissions on cargo ships 2017-09-06T04:00:00Z Helicopters are permanently “parked” in the clouds, so the sound of their rotors becomes a sort of background music you soon stop noticing. We came to Hamburg to protest about G20 – and found a dystopian nightmare | Srećko Horvat 2017-07-06T04:00:00Z Brake pad replacement is almost always accompanied by resurfacing or replacing the rotors, the round things that brake pads grab onto. How to avoid being a victim at the car repair garage 2017-07-05T04:00:00Z The rotor turns to align itself with the field in an attempt to reduce reluctance to the minimum. As electric motors improve, more things are being electrified 2017-09-14T04:00:00Z "Bigger rotors mean fewer turbines and foundations are needed to achieve the same capacity." Wind power's big bet: turbines taller than skyscrapers 2017-06-27T04:00:00Z Container ships are not a good fit for rotor sails because their decks are stacked with containers, he notes. Spinning metal sails could slash fuel consumption, emissions on cargo ships 2017-09-06T04:00:00Z For drone noise, the company is suggesting custom rotor designs that would chop through the air more quietly. Amazon’s vision for the future: delivery drone beehives in every city 2017-06-23T04:00:00Z For the uninitiated, most drones flown by hobbyists are small battery-powered “quadcopters,” meaning they fly like a helicopter with four buzzing rotors. Got a drone for Dad’s Day? There’s an angry buzz about where to fly them 2017-06-20T04:00:00Z Constantly switching the current forces the rotor to turn repeatedly. As electric motors improve, more things are being electrified 2017-09-14T04:00:00Z LONDON—The thudding of helicopter rotors jolted Halima Ali awake after midnight on Monday morning. Van Attack Deepens Unease in U.K. 2017-06-19T04:00:00Z That gets you the remote, extra battery, portable charging hub, and additional rotors and rotor guards for $699. DJI Spark review: a little bit of magic in the palm of your hand 2017-06-07T04:00:00Z The image below shows how “trailing edge fringes” — the tiny plant-like fronds — might be added to the rotor blade. Amazon’s vision for the future: delivery drone beehives in every city 2017-06-23T04:00:00Z But after studying the proposal and potential solutions, it settled on the flywheel, which uses a rotor spinning in a vacuum to act as both a motor and a generator. The Biggest, Strangest ‘Batteries’ 2017-06-03T04:00:00Z In newer motors the usual order of things is reversed, with the windings held in the stator and the rotor sporting permanent magnets. As electric motors improve, more things are being electrified 2017-09-14T04:00:00Z The European Commission was reviewing whether GE misled EU officials reviewing a deal to buy LM Wind Power, a Denmark-based maker of rotor blades, Bloomberg said. GE to face probe related to LM Wind Power deal: Bloomberg 2017-05-22T04:00:00Z When demand peaks in the late afternoon, the kinetic energy stored in the spinning rotor can be harnessed — the rotor can be used as a generator to provide up to four hours of electricity. Energy: Powering change : Nature : Nature Research 2017-05-16T04:00:00Z Witnesses said the helicopter lost control when a tarpaulin got entangled in its rotors as it tried to land on the luxury boat. Bergen helicopter crash: Three Britons injured - BBC News 2017-05-12T04:00:00Z When the crane lifts, the system converts the momentum of the rotors to electricity. The Biggest, Strangest ‘Batteries’ 2017-06-03T04:00:00Z In such a motor, the magnetic field produced by the energised windings follows a path of least reluctance through a rotor made of iron. As electric motors improve, more things are being electrified 2017-09-14T04:00:00Z The helicopter’s tail rotor struck a forklift or crane while landing on a night medevac mission. Killed in action 2017-04-29T04:00:00Z But a 2,300-kilogram steel rotor that spins for a few weeks without losing a significant amount of energy is the next best thing. Energy: Powering change : Nature : Nature Research 2017-05-16T04:00:00Z Little rotors have to work harder than big ones to get the same amount of lift. No Longer a Dream: Silicon Valley Takes On the Flying Car 2017-04-24T04:00:00Z Pieces of the rotor were missing, and large cylinders seemed to have rolled away from the aircraft after impact. One crew member dead, two injured in Black Hawk helicopter crash in Maryland 2017-04-17T04:00:00Z As their rotor blades spin, helicopters create a series of closely spaced pressure pulses that travel through the air to the ground below. Earthquake detectors can pick up helicopters, too 2017-04-11T04:00:00Z Pilots spotted a gadget with multiple arms and up to eight rotors pass by the right hand side of the plane as it was preparing to land. Passenger jet approaching Heathrow in drone 'near-miss' - BBC News 2017-03-31T04:00:00Z They will be 30 metres tall and 5 metres in diameter, the largest rotor sails ever deployed and the first to be used on a tanker. 'Spinning sail' rebooted to cut fuel and make ocean tankers greener 2017-03-14T04:00:00Z Mechanical watches, by contrast, are powered either by hand-winding or, in the case of an automatic watch, by the motion of the wearer’s wrist, which is converted into energy by means of a rotor. Confessions of a Watch Geek 2017-03-13T04:00:00Z The DHA news agency said the helicopter’s rotor blade hit a vehicle, smashing its windscreen and causing its roof to sink in. Helicopter crashes on outskirts of Istanbul; 5 killed 2017-03-10T05:00:00Z Indeed, faster winds lead to a higher rotation rate, which bends the rotor forward and closes the pitch angle slightly—helping to generate more power. Wind turbines inspired by insect wings are 35% more efficient 2017-02-14T05:00:00Z Terrafugia is also working on a “flying car” called the TF-X — a car with folding arms and rotors for vertical takeoff and landing. Flying cars under development vary significantly 2017-01-30T05:00:00Z As the chopper headed over the Garden State Parkway, a rotor broke, and the aircraft crashed, killing all aboard. A fierce will to win pushed Donald Trump to the top 2017-01-17T05:00:00Z Roam-E uses facial recognition software to keep on course and stays airborne with just two rotors. CES 2017: Roam-E drone takes flying selfies - BBC News 2017-01-07T05:00:00Z Wing’s new drone resembles a catamaran, with a 5-foot wing laid across two thin poles that each support two rotors and a fin. Silicon Valley Stumbles in World Beyond Software 2016-12-06T05:00:00Z Morrow and the children were killed while filming a scene after debris from explosions rose 100 feet in the air and damaged the copter’s rotor. 5 filming accidents that rocked, helped shape the industry 2016-11-21T05:00:00Z The vehicle is a cockpit with four arms equipped with rotors. Flying cars under development vary significantly 2017-01-30T05:00:00Z If you’re planning to fly your drone in punishing conditions, the Typhoon H, with its six rotors, was much better than the Mavic at holding its position against strong winds. The best drone you can buy right now 2016-11-16T05:00:00Z Up to four helicopters at a time hovered over the stadium all day Friday, the wup-wup-wup of their rotor blades waking Raymond Peternell providing a constant, physical reminder that something big was on its way. Chicago hums historically ahead of World Series clash 2016-10-28T04:00:00Z It was the kind of stop-and-go routine I’d experienced on American interstates, the “bumper-to-bumper” conditions that traffic reporters describe on news radio, shouting something about a jackknifed tractor-trailer over thumping helicopter rotors. The Bangladeshi Traffic Jam That Never Ends 2016-09-23T04:00:00Z I needed to pay closer attention to the wiring and rotor schematics in the instructions. What It's Like to Fly a Drone Made Out of LEGOs 2016-10-05T04:00:00Z They include knots, switches, shuttles, rotors, pumps and chains, all at chemistry's smallest scale. Nobel Prize in chemistry is awarded for molecular machines 2016-10-05T04:00:00Z Dr. Feringa, in 1999, became the first person to develop a molecular motor; he got a molecular rotor blade to spin continually in the same direction. 3 Makers of ‘World’s Smallest Machines’ Awarded Nobel Prize in Chemistry 2016-10-05T04:00:00Z It has GPS connections that make sure the drone stays in the same place, its rotors automatically speeding up and slowing down in response to the wind. New York City’s Firefighting Arsenal Will Soon Include Drones 2016-09-08T04:00:00Z When a Viet Cong sniper popped up from the weeds, the soldier jumped off balance into the chopper’s moving tail rotor. Vietnam veteran receives Purple Heart after 51 years 2016-09-03T04:00:00Z Slightly chunkier than an iPhone 6 but much lighter, the Pocket Drone features four collapsible rotors that fold into the quadcopter’s body for easy storage. I Tried to Use a Drone for Home Repair and Failed Miserably 2016-08-19T04:00:00Z The National Transportation Safety Board reports the witness described the impact as very hard, with no sliding or bouncing, and saw the rotor blades break apart. Witness to helicopter crash reports abrupt rotor tilt 2016-07-25T04:00:00Z Its rotor blades are collapsible making it easy to pack away, and its makers claim its battery charges in two hours. This flying phallus will follow you around and take your picture 2016-06-28T04:00:00Z Once airborne, these rotors are tilted back into a horizontal position, allowing it to fly much like an ordinary airplane. Bat wings inspire new breed of drone 2016-06-27T04:00:00Z His hat covered the flat, runway-shaped surface left behind after reconstructive surgery to fix the place where the rotor sheared off part of his skull. Vietnam veteran receives Purple Heart after 51 years 2016-09-03T04:00:00Z The devices also can get sucked into a helicopter's intake or hit a rotor. Agency hopes apps will keep drones away from wildfires 2016-06-23T04:00:00Z Many drones are based on a design called a quadcopter, which employs four rotors on arms set 90 degrees to each other. Those incredible flying machines 2016-06-22T04:00:00Z Zee.Aero patents from 2013 show several models for “personal aircraft” that generally include thin fuselages sandwiched between wings on the front and back and topped with eight rotors. Google Co-Founder Larry Page Owns Two ‘Flying Car’ Companies 2016-06-09T04:00:00Z Two electric rotors produce a cushion of air under the wings, helping it to lift like a hovercraft. Bat wings inspire new breed of drone 2016-06-27T04:00:00Z As soon as an eagle is spotted in the vicinity, the biologist radios the technician to slow down the rotor of the nearest turbine. A Biologist Works to Reconcile Bats and Wind Energy 2016-06-07T04:00:00Z Shouts and screams rose thinly over gunfire, helicopter rotors and the rumble of armoured bulldozers. Generation revolution: how Egypt’s military state betrayed its youth | Rachel Aspden 2016-06-02T04:00:00Z Each rotor is directly driven by an electric motor. Those incredible flying machines 2016-06-22T04:00:00Z There are also four mighty brake rotors, steel or optional carbon ceramic, that need cooling. Honda’s Acura NSX Flexes American Muscle 2016-05-26T04:00:00Z One of the key advantages that Xiaomi seems to be touting with the Mi Drone is the modularity and serviceability of the whole thing, as the camera module is detachable just like all the rotors. Xiaomi unveils the Mi Drone 2016-05-25T04:00:00Z If a drone's rotors stop working meters above the ground, the only option for pilots is usually to watch and pray. Save your drone from an expensive fall with this mini parachute 2016-05-06T04:00:00Z Wind farms are clusters of turbines as tall as 30-story buildings, with spinning rotors as wide as a passenger jet's wingspan. The Obama administration is revising a federal rule that allows wind-energy companies to operate high-speed turbines for up to 30 years, even if means killing or injuring thousands of federally protected bald and golden eagles 2016-05-04T04:00:00Z The greater number of rotors provides both more efficiency in lift and higher levels of redundancy in the event of a failure. Those incredible flying machines 2016-06-22T04:00:00Z The Norwegian Accident Investigation Board said its probe and visual evidence, including video of the helicopter's rotor propelling into the sea moments before it crashed, indicated sudden mechanical failure. Norwegian investigators say last week's helicopter accident in western Norway that killed 13 people was caused by technical failure and not human error 2016-05-03T04:00:00Z None of the changed parts were physically connected to rotor or gearbox.” Helicopter had to return to base twice in days before Norway crash 2016-05-01T04:00:00Z Norway’s TV2 channel aired footage of what seemed to be a helicopter rotor blade spiraling down minutes before the helicopter crashed. Wrecked helicopter fuselage raised from the sea in Norway 2016-04-30T04:00:00Z Several witnesses told Norwegian media that they saw the rotor separate from the helicopter while still in the air. Oil rig helicopter crashes off Norway, killing all 13 aboard 2016-04-29T04:00:00Z Unlike most helicopters, hovering drones use multiple rotors. Those incredible flying machines 2016-06-22T04:00:00Z "After that, the helicopter turned north and I saw fire at the top of the helicopter, where the rotor had been attached. It caught fire before it crashed." Oil rig helicopter crashes off Norway coast, 13 presumed dead 2016-04-29T04:00:00Z The helicopter’s fuselage was found in the water off the island while its rotor system was on land, he said. Norway oil-rig helicopter crash kills 13; flying ban issued 2016-04-29T04:00:00Z Hughes also forfeited his gyrocopter, which resembles a stripped-down helicopter with an unpowered rotor and separate propeller. Man who landed gyrocopter at U.S. Capitol gets 120 days in prison 2016-04-21T04:00:00Z “After that, the helicopter turned north and I saw fire at the top of the helicopter, where the rotor had been attached. It caught fire before it crashed.” Oil rig helicopter crashes off Norway, killing all 13 aboard 2016-04-29T04:00:00Z And the machine starts to turn like a torpedo, like if you lost the small rotor on a helicopter. Yes, the jet-powered hoverboard is real, and yes, the creator has crashed it 2016-04-15T04:00:00Z It was the second-worst Super Puma accident after a 2009 crash off Scotland in which the rotors also detached, killing 16 people. Oil rig helicopter crashes off Norway coast, 13 presumed dead 2016-04-29T04:00:00Z The German military created a monthly codebook that set a new key for each day - telling operators which three rotors to use and which of 26 positions to start each rotor. German encryption machine on display at Bozeman museum 2016-04-14T04:00:00Z In general, the rotors produce more thrust the windier it is and the slower the ship steams. We are sailing 2016-04-07T04:00:00Z The main body of the aircraft was lying under water, while its rotor was found on a rocky outcrop 200 to 300 yards away, state broadcaster NRK said, quoting the rescue center. Oil rig helicopter crashes off Norway, killing all 13 aboard 2016-04-29T04:00:00Z It was a familiar routine: the thump of the rotor blades, the boom of the explosion from the barrel bomb released by the government troops far above, followed by her scramble. Syria's civil war: five years of Guardian reporting 2016-03-14T04:00:00Z Several witnesses told Norwegian media they saw the rotor blades separating from the helicopter while still in the air. Oil rig helicopter crashes off Norway coast, 13 presumed dead 2016-04-29T04:00:00Z But then, the Germans switched from three to four rotors in each Enigma machine, and the British Bombes couldn’t keep up, Keremedjiev said. German encryption machine on display at Bozeman museum 2016-04-14T04:00:00Z The plan is to gather operating data on whether rotor sails are a worthwhile investment. We are sailing 2016-04-07T04:00:00Z One nice touch was that they covered each drone in colorful LED lights and matching rotors, so that they pop against the background, and it's much easier to tell them apart. If drone racing is the sport of the future, how will we watch it? 2016-02-13T05:00:00Z Taking off vertically using helicopter rotors with jets at their tips but powered forward by turboprops on the wing, it was to allow quick travel between cities and towns in the UK and around Europe. Why did the half-plane, half-helicopter not work? - BBC News 2016-02-11T05:00:00Z Oil worker Chris Andersen told NRK: "I saw the rotor separate ... It was horrible. There was a huge explosion that you could physically feel. You felt the vibrations." Oil rig helicopter crashes off Norway coast, 13 presumed dead 2016-04-29T04:00:00Z Even if birds are well trained and are unexpectedly effective at avoiding rotors, how many eagles are we willing to risk if something goes wrong? Let’s Not Force Eagles to Fight Rogue Drones Perhaps the spinners offset one another, the way the twin rotors of large helicopters do. How presidents manipulate the media and the public 2016-01-08T05:00:00Z The main body of the drone is made of the same material you'll find inside bike helmets, and inside that is a single rotor. This soccer ball-shaped drone can't chop your fingers off 2016-01-07T05:00:00Z Almost every popular offering currently on the market takes the shape of a quadcopter, with four rotors on a body supported by two legs for takeoff and landing. Parrot's new Disco drone ditches quadcopter design for a fixed-wing aircraft 2016-01-04T05:00:00Z The project will use parts, including rotors, manufactured at Siemens’ Hutchinson plant, as well as 108-meter blades from the company’s Iowa-based manufacturing facility. Kansas utility contracts Ford County wind farm 2015-12-23T05:00:00Z The drone stops spinning its rotors the moment it senses it’s being held. Drone Maker Lily Announces a Product Delay and New Funding 2015-12-17T05:00:00Z The rotor wash from its roaring blades flattened the tall grass and exposed the migrants hiding there. The Deported 2015-12-09T05:00:00Z One of the more promising technologies involves a device called a Flettner rotor, which was invented nearly a century ago. Taming Carbon Emissions From the ‘Invisible’ Shipping Industry 2015-12-08T05:00:00Z The neighbor, who is described as an experienced drone pilot, was flying in front of his own home, but lost control of the unit after its rotors clipped a tree. Horrific drone accident destroys toddler's eyeball 2015-11-30T05:00:00Z A rotor control arm, which requires frequent replacement, costs $3,000. Despite saving lives, air ambulance companies under fire 2015-11-29T05:00:00Z Screaming through the corners of the half-mile-long track, brake temperatures climbed well past the thousand-degree mark, and the rotors began to glow. Nascar Says Goodbye to Jeff Gordon—and the Golden Era He Created 2015-11-20T05:00:00Z A gyrocopter resembles a minimalist helicopter with an unpowered rotor and separate propeller. Man who landed gyrocopter at Capitol pleads guilty 2015-11-20T05:00:00Z So far, only a few ships have these rotors, which are tall columns that rotate in a windstream and produce a propulsive force in the same way that a spinning baseball follows a curved path. Taming Carbon Emissions From the ‘Invisible’ Shipping Industry 2015-12-08T05:00:00Z He recently worked with other pilots who used the downdraft from rotor blades to protect grape vines in the Marlborough region which were threatened by frost. All Blacks captain McCaw confirms his retirement from rugby 2015-11-19T05:00:00Z Erickson was the pilot and was practicing landing when the tail rotor hit the ground and the helicopter spun out of control before being enveloped by smoke and flames, according to the medical examiner. Helicopter crash kills two at Carlsbad airport 2015-11-18T05:00:00Z But alongside these are dotted the sharp-nose cones of fighter jets and the drooping rotor blades of the latest attack helicopters. Dubai Air Show: Security fears 'to boost arms sales' - BBC News 2015-11-08T05:00:00Z Then Saad prayed for himself, weeping uncontrollably until he was interrupted at around 2 a.m. by the sound of helicopter rotors that heralded the end of his ordeal. Tortured by Islamic State, rescued before execution: freed hostages recount ordeal 2015-11-04T05:00:00Z |
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