Quote:
Originally Posted by Gryphon_
but when airspeed falls and AoA increases that big wing should produce a lot more drag than it does. But the Spitfire seems to retain energy very well, and pulls off high AoA turns that no other aircraft can follow.
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This sounds obscure to me. As far as I know, there’s no reason a “big wing” should produce more drag in a turn than a small one.
As a rule of thumb, you look at wing loading (Kgs x square metres, or lbs x square feet) to evaluate stalling speed, but you must look at span loading (Kgs x metre, linear, not square) to evaluate efficiency and low drag in a turn.
My feeling is that Spit FM is pretty good, and that we should look with suspicion at our feelings without hard numbers.