Quote:
Originally Posted by Christ
They teach you that in school?
Show me an airplane wing that generates down force, positive or negative, and has zero drag, and I'll agree with you.
Regardless of the relationship between them (linear, curved, inter-racial, etc.) ANY disturbance in flow is a manifestation of drag.
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actually, hermie is absolutely right. any non-symmetrical wing will produce substantially more lift at a zero angle of attack than drag (given that drag can normally never be 0). downforce
is lift. where drag increases become significant on wings is under increased angle of attack (you get large increases in lift, but as the angle of attack approaches the stall point, drag increases greatly).
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I take offense to the saying
'it isnt rocket science' to describe the relative difficulty of a given endeavour. Rocket Science is NOT hard... just EXPENSIVE
