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Seal the tub and sponsons with epoxy
finishing resin or West Systems epoxy.
Be sure that all wood is sealed.
Scrape off as much epoxy as you can. It
will make sanding easier.
Also seal the other side of the radio box
top.
When cured, sand with 150 and recoat
with epoxy. This coat will use far less
resin than the first.
When this cures, wet sand the bottom of
everything with 220.
If you are painting sand the entire boat
with 220. Now is the time for primer. Wet
sand the primer with 400, and use spot
putty to fill any imperfections. Wet sand
with 400 and lay on a heavy coat of
primer. Wet sand with 600-800 and
paint.
Use fuel proof paint or fuel proof clear.
Assemble the boom tubes with the tub
and sponsons.
Make the boom tubes flush with the
outside end on the brass sleeves in the
sponsons.
When everything is looking good, drill a
1/8 hole through the brass boom tube
sleeve and the boom tube. Put the
supplied 4-40 screw and locknut in
place. Do this for all 4 corners.
Center the sponsons in the tub.
Use boom tube clamps against the tub
to keep the tubes in place.
Mount your engine back into the engine
rails.
