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Author Topic: Helicopter Autorotation EC-120  (Read 730 times)
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comanche82
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« on: December 16, 2008, 09:31:25 PM »

Autorotations are used in helicopters to perform power off landings from altitude in the event of an engine failure. During an autorotation, the main rotor is not driven by a power plant, but by air flowing through the rotor disc bottom-up (imagine a windmill) while the aircraft is descending rapidly
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