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A comment on Why we don’t understand heavier-than-air flight. Parent comment

Re:Why we don’t understand heavier-than-air flight by tomsto on Saturday June 26, 2021 @06:56AM (#27640847)
For a symmetric aerofoil, 0 angle of attack is 0 lift. For an asymmetric - there is (some) lift, which comes entirely from the suction side.

https://www.wolframalpha.com/input/?i=NACA+6409+airfoil&assu...

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