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by wbeaty
1693 days ago
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On the other hand, simple intuitive explanations may not lead to simple mathematical analyses. Things which are obvious and simple to grasp, may involve near-insoluable systems of equations! This seems to be the case with lifting force. We can easily explain lifting-force if first we get rid of the wingtips. Just explain 2D airfoils in a 2D "flatland world." Infinitely-wide wings are almost trivial to analyze. |
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