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RE: Tail[planes

Subject: RE: Tail[planes
From: McFadyean <ami@mcfadyean.freeserve.co.uk>
Date: Fri, 18 Jan 2002 08:20:57
Taper pins would work until they go loose!
It would then be easy to affect a cure by tightening them some more. Not a 
sustainable solution, however.
This assumes that the problem is one of pin/tube-wall bearing failure, 
which isn't proven.

Taper pins would also take out any relative non concentricity of the fore 
and aft tube holes (generated by mixing up the fitted order of the various 
parts) which would result in only one of the holes doing most of the work.

Duncan McFadyean

On Wednesday, January 16, 2002 2:12 AM, Fergus Kyle [SMTP:VE3LVO@rac.ca] 
wrote:
>         The subject of the loosening of contact in the tailplane torque 
tube
> has been long and profound. I have archived most of the cogent theories 
and
> solutions for future phase.
>         However, if the discussion still centres around loose pins in
> expanding holes, perhaps it's worth considering the taper pins - how they
> might recover tight contact somehow.
> FergA064
>
>


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