Questions tagged [p-factor]

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2answers
585 views

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 ...
4
votes
1answer
551 views

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 ...
6
votes
1answer
159 views

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-...