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Airbus just patented what could become the fastest helicopter in the world
Airbus is trying to take high-speed helicopters to a whole new level. Last month, the US Patent and Trademark Office approved an application from Airbus Helicopters' Axel Fink, Ambrosius Weiss, and Andrew Winkworth for a new compound copter (www.seattlepi.com) 更多...
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compound helicopter. hmmm, like the Lockheed Cheyenne?
Really, faster than the Sikorsky Raider? Airbus needs to build one of these - that is not just an experimental - and prove that one! The large wing and tail surfaces and no tail rotor to control torque will be a detriment to hover capabilities.
Isn't the idea to use differential thrust from the wing-mounted propellers to replace the tail rotor?
that's exactly what the article reads, yes.
What happens if you lose the engine which is providing the counterrotation thrust?
There are two engines, just one of them might do in an emergency even it the rotational thrust was assymetrical. Generally if you lose an engine you don't expect good things to happen, of course.
