Oh yes, don't get me wrong, it certainly has major influences on the aircraft. What I needed to show was that forward gusts have very little influence on forward ground speed. the reason is the large inertia of the plane and the small drag coefficient.

Of course for lift and hence vertical velocity, the influence is far larger.

You agree with me that c_d * S will never change a factor 10 between cruise and flaps out config for airliners?

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