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i'm still learning these basic concepts of airplane stability, specifically the aerodynamic center, the point about which the pitching moment does not vary with AOA. i just wanted to know if there is a theoretical basis for this, or if it is just experimental. is there some sort of "mathematical" proof for the fact that there exists such a point on all airfoils?

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# Aerospace How do i know there is always an aerodynamic center?

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