<<<<<<<<<<<<<<<<--->>>>>>>>>>>>>>>>
         <<  Lancair Builders' Mail List  >>
         <<<<<<<<<<<<<<<<--->>>>>>>>>>>>>>>>

Making a wooden mold for the counter balance sounds okay, but if you make a
2-BID mold of the counter weight area, you get a perfect fit of the weight
with no trimming/filing after casting. Just tape up the counter weight
areas with packing tape, and lay up a 2-BID mold with scraps of cloth. This
layup is fast to make because you don't have to be too careful about
getting every last bubble out, and you can be a little resin rich since the
mold will be tossed after use. Trim the upper edge even with the upper edge
of the elevator or rudder piece. Bond the mold to a flat, 2-BID piece of
cloth which is still wet using a fillet of flox around the outside of the
mold. You now have a mold of half of the counter weight. Pack it in sand,
and pour in the lead. The mold smokes a bit but works great. I made all my
counter weights this way.

Mike Reinath
N3602M

LML homepage:   http://www.olsusa.com/Users/Mkaye/maillist.html