The left turning tendency of an airplane caused by P-factor is the result of the
A
clockwise rotation of the engine and the propeller turning the airplane counter-clockwise.
B
propeller blade descending on the right, producing more thrust than the ascending blade on the left.✓ Correct Answer
C
gyroscopic forces applied to the rotating propeller blades acting 90° in advance of the point the force was applied.
Explanation
At a high angle of attack the descending blade on the right side (seen from the cockpit, for a clockwise-turning propeller) meets the air at a greater angle of attack than the ascending blade on the left, so it produces more thrust and yaws the airplane to the left. Torque reaction and gyroscopic precession are separate left-turning tendencies.
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