PPRuNe Forums - View Single Post - Pitching moment on Flap Extension
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Old 15th Apr 2016, 13:37
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Mad (Flt) Scientist
 
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@keith williams

And those are the "pure" aerodynamic effects. On an aircraft with any kind of interconnect, the tailplane may be moving while the flap changes position. So the net result in terms of "does the aircraft pitch up or down" is further affected by the control system choices.

Depends whether the question is from the viewpoint of an aerodynamicist or a pilot.
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