Principles of Flightmedium#560
Asymmetric blade effect (P-factor) causes:
A
Equal thrust from all blades
B
No significant effect in flight
C
A rolling moment only
D
A yawing tendency because the descending blade produces more thrust than the ascending blade at high angle of attack
CorrectExplanation
At high angle of attack, the descending blade has a higher angle of attack and speed relative to the air than the ascending blade, producing asymmetric thrust.
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