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jfrjr(at)adelphia.net
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 Posted: Thu Apr 13, 2006 7:20 pm Post subject: aileron trim tension |
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Just installed the aileron trim servo/springs in and on the left aileron push rod and access plate---fairly easy installation but the amount of tension the spings place on the push rod seems excessive. Don't know how many ft/lbs it takes to displace the push rod but one has to give a pretty good tug. I rechecked the distances from the spring attachments and they are okay and the servo lever goes nicely from stop to stop. But it just seems too stiff. In fact displacing the rod causes some slight oil canning of the access plate skin. Does anyone know how "stiff" that action should be, or how to measure it? Or does anyone else have such concerns? Jay Rowe 40301
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zackrv8
Joined: 14 Jan 2006
Posts: 133
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| Posted: Fri Apr 14, 2006 4:43 am Post subject: Re: aileron trim tension |
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Jay,
I called Van's yesterday to order this trim system. I talked to Gus Funnel. He said that it is supposed to be mounted on the most inboard access plate (close to the wing root) where the skin thickness is 32 thous. He did not mention any spring tension rates.
I have this very same type of spring system on my RV8. It does feel tight when assembled, but when you grab the stick and move the ailerons, you hardly notice it.
Zack
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RV8 #80125
RV10 # 40512 |
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jfrjr(at)adelphia.net
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| Posted: Fri Apr 14, 2006 10:13 am Post subject: aileron trim tension |
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Thanks Zack---good info. Would like to hear from you again after you have
your aileron trim installed. I will talk to Gus about the buckling of the
access plate skin as well. Jay
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