Extreme Flight YAK-54 ARF, Инструкция по эксплуатации

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4. Use some denatured alcohol to remove any residue or oils from the
composite control horns and base plate. If you wish to paint the control
horns for a more finished appearance now is the time to do so. Use some
fine sandpaper to prepare the control horns for paint. Mix up some 30
minute epoxy (add a little milled fiberglass if you have it) and fill the 2 slots
in the elevator with epoxy. Use an old #11 blade to force glue into the slots
and make sure they are thoroughly coated with epoxy. Us an epoxy brush to
thoroughly coat both sides of each control horn as well as the bottom of the
base plate. Use an abundance of glue here, as any excess will be forced out
of the slot when you insert the horns.
5. Insert the horns and push them into the slots until they are seated flush
with the base plate and the base plate is flush with the control surface. Insert
one of the 3mm bolts through the 2 control horns as shown to insure proper
alignment. Use some denatured alcohol and paper towels to remove the
excess glue and inspect the assembly. When satisfied set this assembly aside
to dry. Repeat this process for the other elevator half.
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