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Date: Wed, 08 Mar 2006 00:55:44 -0500
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From: "Robert R Pastusek" <rpastusek@htii.com>
Subject: RE: [LML] Sanding Wing Surfaces
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Charles Keller wrote:

     1. How do you keep from ruining the surface on the fuel caps while
sanding the wing.       OK, I know, take the caps off, but that raises
another question.

     2. How do you keep the sanding dust out of the fuel tank, the last
place I want to see it going.       OK, I know, put the caps on. Now we're
back to question #1.

    Give me a little help here.


Charles,

I expect there are many ways to do this, but I cut a circle out of scrap
fiberglass--I think I used a piece of the seat back flashing that was at
least 1/16" thick, but any solid piece will do. Just carefully cut or sand
it to the diameter of the top of the fuel tank hole--it's a bit tapered--and
seal it in the hole with silicone or similar "soft" sealant. Does a very
good job of closing the hole, and when you sand across it, it acts like part
of the wing. Just be careful not to cut into the aluminum edges of the
flange too deeply. I left these plugs in place for painting, and then
carefully  removed them. Don't think I got more than a couple of grains of
dust in the tanks, if any?

Bob Pastusek