Understanding Propeller Torque and P-Factor: Difference between revisions
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Understanding Propeller Torque and P-Factor (view source)
Revision as of 00:02, 15 June 2006
, 15 June 2006→Propeller Torque Effect
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Torque effect is the influence of engine torque on aircraft movement and control. It is generally exhibited as a left turning tendency in piston single engine propeller driven aircraft. | Torque effect is the influence of engine torque on aircraft movement and control. It is generally exhibited as a left turning tendency in piston single engine propeller driven aircraft. | ||
According to Newton's law, "for every action there is an equal and opposite reaction," such that the propeller, if turning | According to Newton's law, "for every action there is an equal and opposite reaction," such that the propeller, if turning counterclockwise (when viewed from the front), imparts a tendency for the aircraft to rotate clockwise. Since most single engine aircraft have propellers rotating counterclockwise, they rotate to the left, pushing the left wing down. | ||
Typically, the pilot is expected to counter this force through the control inputs. To counter the aircraft roll left, the pilot applies right aileron. | Typically, the pilot is expected to counter this force through the control inputs. To counter the aircraft roll left, the pilot applies right aileron. | ||