Mailing List lml@lancaironline.net Message #5819
From: Angier M. Ames <alphadog@nii.net>
Subject: Re: LNC2 Over-center link pivot bolt (GM13) maintenance.
Date: Sat, 17 Jun 2000 00:59:39 -0400
To: <lancair.list@olsusa.com>
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>
> It has been my experience that, over time, fiberglass can move, flow,
> compress, etc.   I would recommend that all fiberglass/phenolic supported
> critical bolts be inspected/retorqued at 100 hour or annual inspections.
> These include main gear forward attach points, nose gear actuator attach
> point bracket, engine mount bolts, outboard rear spar attach bolts and any
> others so mounted.  Wing main spar bolts pass thru bushings imbedded in
> carbon and aluminum plates -- These should not need re-torqueing, but should
> be inspected.

Hi Scott,

With reference to the outboard rear spar attach bolts, how would you suggest
inspecting and retorquing them? If I had it to do over again, I would use nut
plates instead of nuts on the inside. This way, they could be retorqued without
removing the wing. (BIG GRIN!!)

Angier Ames


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