When extending the flaps for landing at a constant angle of attack, in which way does the lift coefficient change far before reaching the maximum lift coefficient?
Refer to figure.
Flaps increase the Camber, Angle of Attack (AoA) and sometimes the area of the wing. When increasing the Camber and AoA of the wing, also increases the amount of lift the wing can produce and Lift Coefficient increases, too.
With flaps down, the wing can produce more lift at slower speeds, so Lift Coefficient increases.
Thus, when extending the flaps for landing at constant Angle of Attack, the Lift Coefficient increases.
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