The lift does nothing useful, it requires long methodical experimentation, and months and years of frustration, snd many dead airmen.
Ahhh....."wiki". So many sharp as a tack partisans, so much smarter than the average bear...
Those arrows, are they on your airplane? There are arrows, right? I must look sometime...
Italia: "The zero lift AoA of an asymmetric airfoil will be negative. The zero lift AoA of an asymmetric airfoil will be zero."
Que paso?