P factor

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Robert
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P factor

Post by Robert » Fri Jun 04, 2010 11:44

Does anyone know if were supposed to put P factor into the seaplane fins that fit on the horazontal stabilizer?
bob

Don Eide
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Re: P factor

Post by Don Eide » Sun Jun 06, 2010 14:22

Off the plan SAR 3-1067 it states "Aux Fins must be parallel to line of thrust"
Hope this helps.
Don
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Robert
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Re: P factor

Post by Robert » Sun Jun 06, 2010 20:35

Thanks Don, I don't know for sure but I think 3-1067 refers to the ventral fins. I made up a set of fins for the top of the stabilizer (I copied them from a plane that's 100 miles away). I don't think that they had any P-factor in them but I started thinking about it ( probably an error) the main vertical stabalizer has a P-factor built in so maybe the auxiliary ones do to.
bob

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Robert
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Re: P factor

Post by Robert » Tue Jun 08, 2010 01:37

No, I'm wrong about that Don, I got something mixed up. You are right Auxiliary dorsal fins (champion P/N 4-634 installation drawing 3-1067).
I can't find those drawings on the internet, "aeronca.com" dosen't have them available yet, so I guess I'll go with mounting them straight ahead.
Thank you for your answer
bob

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