PPRuNe Forums - View Single Post - Helicopter Lift Theory - Equal Transit, Skipping Stone & 1/2 a Venturi - all wrong...
Old 19th Nov 2012, 18:16
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jymil
 
Join Date: Jul 2008
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@[email protected]: watch this video, it shows actual streamlines with varying angle of attack. This should make it clear air is indeed deflected downwards.

If this doesn't convince you, I'll hover 10ft above you to prove some significant amount of air is indeed deflected downwards :-)
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