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In my opinion lift is produced the way I have allways learned it was, and the way it is still explained in the books I have.
So lift is produced because the air moving on the top of the wing moves faster than on the bottom, causing a drop in pressure, causing an upward lift.
How else can you explain that a cambered wing at at angle of attack of 0 degrees can produce lift.
I do not believe in all these new fancy theories like lift being produced by donwash or by turning the flow or by little eddys on top of the wing.
Bart
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