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Rudder (cont.)
9. Insert the hinges into the pock-
ets and verify the hinge pins are
vertical by using a combination
square. Make sure the pockets
are inserted fully into the rudder
post and the setscrew part of the
pocket is pressed up against the
fin post. When are you satisfied
everything is aligned properly
CA the pockets into the fin post.
10. Reinsert all three hinges into
the balsa rudder spar and verify
the rudder pivots freely. You
may need to undo the setscrew in
the pocket and pull the hinge out
slightly so the rudder clears the
pocket Once you are satisfied
with the fit, CA the hinges in the
rudder. Put a drop of CA near
the hinge on the balsa wood and
let it wick into the hinge to avoid
gluing the hinge pin by mistake.
Construction
11. Insert the fin post into the fin
and verify the rudder swings at
least 2" to each side freely. The
top of the fin might need to be
sanded further with the round
sanding block.
12. Pull the rudder to one side
and make a mark in line with the
setscrew on all three pockets.
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Super XC
13. Measure from the center of
the setscrew to edge of the fin.
14. Transfer the measurement to
the line on the outside of the fin
and drill a 1/16" hole. Repeat the
measurement and drilling for all
three hinge pockets.
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