During flap down selection in a continuous straight and level flight at constant IAS and weight
- the lift coefficient and the drag coefficient increase.
- the stall speed increases.
- the centre of pressure moves aft, lift coefficient and the drag coefficient increase.
Explanation from PART66Online
Lowering trailing-edge flaps increases camber at the rear, so the centre of pressure moves aft and both the lift coefficient and the drag coefficient rise at a given angle of attack. Because CLmax is higher, the stall speed falls rather than rises, which is why the stall-speed-increases option is wrong.
M
matth asked · 9 Mar 2012
Center of pressure moves AFT but LIFT COEFFICENT AND DRAG INCREASE TOO
Community Comments (1)
P
PART66Online
9 Mar 2012
Agree with you. I corrected right answer.
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