Compared with the flap down configuration the maximum angle of attack for the flaps up configuration is
- smaller.
- larger.
- unchanged.
Explanation from PART66Online
This is the reverse view of the flaps-down case. Trailing-edge flaps lower the stalling angle of attack, so removing them (flaps up) gives a larger maximum angle of attack than the flaps-down configuration. The clean wing reaches CLmax at a higher angle than a cambered, flapped wing does.
D
diaandrita asked · 8 Aug 2014
Could please anyone explain this question?
Community Comments (2)
J
JD2016
18 Sep 2017
Another way of asking this question would be:
"What is the effect of flaps on critical angle of attack?"
"What is the effect of flaps on critical angle of attack?"
S
Sokeros
6 May 2021
Because your wing creates more lift with the flaps down, you don't need to as much angle-of-attack to balance the four forces of flight. And because you can fly at a lower angle-of-attack with flaps extended, your stall speed will be lower as well.
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