Heli-Power 2011: Eurocopter autorotation system may bring environmental benefits
A Eurocopter programme to improve the safety of single-engine helicopters may also bring benefits in the search for environmentally-friendly rotorcraft.
Eurocopter revealed the previously secret project on 4 October when it announced that Eurocopter test pilots had been flying an AS350 fitted with a supplemental electric motor, which would deliver power to the aircraft in the event of an engine failure, allowing a more manageable auto-rotation landing.
Jean-Michel Billig, EVP of Engineering at Eurocopter, told Shephard at Heli-Power 2011, held at Farnborough that the programme had been carried out in secrecy since September 2010 with the first flights of the
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