Rudder & Elevator Control Horn Installation - CARL GOLDBERG 120 ARF Instructions Manual

RUDDER & ELEVATOR CONTROL HORN
INSTALLATION
Collect the following items:
1.
(1) Rudder
(1) fuselage with Elevators
(3) CA hinges
(2) 6-32 Control horn bolts
(4) nylon control horn fittings
(4) nylon washers
(4) nylon nuts
(1) 6-32 x 2-3/4" threaded rod
2. Measuring from the bottom of the fin along
the leading edge 1-1/8" up from the bottom.
Measure carefully because if you get it too
high on the rudder it will interfere with the
elevator control horns. It should be lined up
with the exit holes in the side of the fuse-
lage.Measure back from the leading edge
5/8" on this mark and drill a 9/64" hole.
Install the 3-1/2" threaded rod through the
hole.
3. Install a nylon flat washer on each side and
screw the nylon nuts in place on each side.
Center the threaded rod in the rudder.
Screw the nylon pushrod fittings on each
end of the threaded rod flush with the end.
Using the three CA hinges, mount the rud-
4.
der to the fin, just as was done for the ele-
vator and the ailerons.
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