Questions tagged [p-factor]
The p-factor tag has no usage guidance.
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Why don't all twin engines counter-rotate?
It seems that having counter-rotating twin engines would be a natural choice to avoid the unwanted yaw seen in single engines and yet there are several twin-engine aircrafts that that aren't counter-...
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Retreating Blade Stall, P-Factor, and Gyroscopic Precession
Most airplane pilots are aware of P-Factor in propeller driven aircraft and that it tends create a torque in phase with the lift imbalance over the blade disc, resulting in a yaw moment about the ...
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What is the influence of yaw on P-factor?
From William Kershner's “The Advanced Pilot’s Flight Manual”- page 2-17, P-Factor:
If the airplane is yawed, the P-factor effect is encountered. A left
yaw would mean a slight nose down tendency and ...
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1
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What is the effect of a taildragger on P-factor?
By looking an image of P-40 Warhawk with taildragger (and other vintage warplanes), one can conspicuously find the propeller disc of this aircraft isn't perpendicular to the relative airflow which ...
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How to balance a propeller aircraft for left turning tendencies?
(Source) Rudder twist on a Saab 91 Safir.
What are the design methods used to balance a propeller aircraft for left turning tendencies? I think it matters more the more powerful the engine(s) is.
A ...
5
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Does the direction of counter-rotating props affect efficiency?
From my brief Wikipedying, if counter-rotating props' tops go towards each other, each has a reduced P-factor so the loss of either engine won't yaw the aircraft as hard as if the bottoms come ...
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Did old propeller aircraft begin takeoff off-center to counter p-factor?
I have tried to ask this in chat and I have been invited to ask a full fledged question here.
Is it true that an old (say about between the two world wars) take-off technique, to compensate for the p-...