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Re: Assembling aileron controls

Subject: Re: Assembling aileron controls
From: Fillinger@aol.com
Date: Mon, 6 Dec 1999 23:15:33

>  Bear (no pun) in mind that oil or grease makes Tufnol expand; by my
>  measurments about 0.6%. This doesn`t sound much but on a half inch wide
>  bearing it amounts to three thou. or 76 microns. If your bearings are set 
up
>  at a nice play-free running fit when dry you may find they go tight when
>  later greased.
>  
>  Duncan McFadyean

Always wondered if grease had an effect (Tufnol is cotton fabric and phenolic 
resin, no?).  Anyway, no ill effect after a year.  I probably was not 
energetic in squeezing out the grease I applied, so I left (accidentally?) 
just the right amount of end play.

Regards,
Fred Fillinger, A063


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