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#10
March 8th 06, 01:04 PM
posted to rec.aviation.homebuilt
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Propellors vs Rotors
wright1902glider wrote:
Now here's a simple 19th Century way to prove the point. Attach a length of yarn to the "lower" surface of a slow-flying plane. Watch the yarn and see what direction it takes in flight. Is it straight back? Or is it down? If air is indeed being forced downward by the wing, shouldn't we be able to see the results in the yarn? Harry Thank you, Harry! 
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