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To: pabianice

Unpowered rotor creates lift(like a wing) in autorotation


14 posted on 04/15/2015 11:23:21 AM PDT by Elderberry
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To: Elderberry

Surprised so many don’t know what a gyrocopter is. Rotor like a helicopter, but unpowered. Propeller like a plane provides thrust... Many ultralight models exist.


82 posted on 04/19/2015 12:09:52 AM PDT by Lexinom
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