Mailing List flyrotary@lancaironline.net Message #30017
From: Tracy Crook <lors01@msn.com>
Subject: Re: [FlyRotary] Re: Tension bolt protection sheet
Date: Mon, 6 Feb 2006 13:41:39 -0500
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
 

Tracy Crook wrote:

> Just another point of view.
> If the tension bolts are installed with the recommended procedure of
> putting a spiral bead of RTV on them to prevent vibration fatigue, the
> bolt is not likely to break in the first place. If somehow it does
> anyway, they always (AFAIK) break at the threaded end.  The RTV will
> prevent the bolt from backing out.


RTV sets by evaporating a carrier, doesn't it?  How would it cure in an
airtight bolt hole?  Is it supposed to be allowed to cure before the
bolt is inserted?

--
         ,|"|"|,               Ernest Christley     |
Nope.  You're grossly over estimating the amount of air required for curing.  And I don't think the curing process involves evaporation.  More like a catalytic reaction with moisture / air. There is more than enough to get the job done in the cavities of the 13B block.  It's not a close tolerance hole. 
 
Tracy  (wishing my RV-8 prop would arrive)
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