Build a temporary cover for the fuel tank.  1) cut out a circle from 1/4
inch plywood the diameter to fit inside the opening.  2) cut out a circle
from a thin material, about 1/16 or less (fiberglass or aluminum) the
diameter to fit inside the hole in the skin.  3) glue or screw the two
pieces together.  4) Fasten it to opening with RTV and leave it until you
are finished sanding.  5) When you remove it make sure you get all the RTV
pieces from around the opening.
Bob Jude
N65BJ

----- Original Message -----
From: "Charles Keller" <clkeller@utahweb.com>
Sent: Monday, March 06, 2006 10:44 PM
Subject: Sanding Wing Surfaces


>     We've had lots of good information about sanding wing surfaces, but
one thing has not been mentioned ...
>      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.
                                 CLK