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From: "Rumburg, William" <wrumburg@cdicorp.com>
To: 'Buchanan & Newcomer' <bnn@abac.com>, lancair.list@olsusa.com
Subject: RE: Aileron Vibration
Date: Thu, 27 May 1999 07:47:20 -0400
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          <<  Lancair Builders' Mail List  >>
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>>
Rick -
In order to stiffen and lock in the aileron forward counterbalance arm, I
installed 3 chocks on each aileron, one at each end and one in the middle. I
fashioned them from 1/4" foam, covered with 2 plies of glass (use a thin
slurry of micro on the foam prior to laying the glass) and shaped them to
fit. They're installed with 2 ply lay-ups. My aileron trailing edges are a
uniform 1/4" thick and squared off, per the construction manual. Both are
SLIGHTLY and EQUALLY overbalanced (approximately 1/8"). At neutral, they are
both SLIGHTLY high (approximately 1/16" above faired-in).  
          Bill Rumburg
          N403WR  (Sonic bOOm)
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