I finished getting the bilge built up under the center fuel tank.  Thanks to the advise of Gerry and some other contacts, it came out as I had hoped.  Now to build mock up fuel tanks out of cardboard to be built. (more on that later).

I ended up using 2 gallons of 105 epoxy with 2 cans of the extra slow hardener.  Then about 8 lbs of sand.  It mixed up to about 6 gallons.(in 2 separate batches.)  I used 8 feet of deck board as well as filler in the epoxy.  

1.   Put a thin, 1" layer of epoxy/Sa...
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