Great Planes Super Sportster 40 MkII Kit - GPMA0205 - Manual (Page 31)

D 2. Slide a silicone retainer over the "hex" end of a
nylon clevis. Screw the clevis 14 turns onto the threaded
end of a 36" wire pushrod. Cut the unthreaded end to
shorten the wire to 24". Cut five 1/4" bushings from the
plastic inner pushrod tube provided in the kit. Slide the
bushings on the wire pushrod, spacing them about 3" apart
as shown on the plans. If they are too loose, put a drop of
thin CA on the pushrod wire at each bushing to hold them
in place. Locate the two bushings on both ends so that
they will not exit the pushrod tubes. Trim the backing
plate from a nylon control horn, then clip the clevis to the
outer hole of the horn. Make a second pushrod assembly
exactly the same as the first.
3/32" horn screw holes through the control surface, then
prick a few pin holes into the wood under the horn's
location. Apply a drop or two of thin CA to the pin holes to
strengthen the wood. When cured, screw the horn in place
with two 2-56 machine screws and the backing plate.
Repeat for the other control surface.
The photo shows a 4-Stroke, Taildragger Setup
(Refer to this photo when performing steps 5 thru 11)
D 5. Connect the receiver to the servos, switch, and
battery. Turn on your transmitter and receiver, then center
the elevator and rudder servos. Be sure that the trim levers
are centered.
D 6. Center the elevator, then mark the pushrod where it
crosses the outside servo horn hole. Enlarge the servo
horn hole with a 5/64" drill bit.
ALTERNATE SERVO LAYOUT
FOR A 4-STROKE TAILDRAGGER
D 3. Refer to the plans to determine which side the
elevator and rudder pushrods will exit the fuse.
Correct Incorrect
D 4. Insert the pushrods into the tubes in the fuse, then
hold a horn in position on either the elevator or rudder (see
sketch above for correct alignment). The pushrod should
not be bent and should slide easily in the tube. Mark the
location for the horn screws on the control surface. Drill the
D 7. Make a 90° bend in the pushrod on your mark then
insert it through the enlarged hole in the servo horn. Secure
it in place with a nylon Faslink".
D 8. Repeat steps 6 and 7 for the rudder.
D 9. Hook up the throttle using a brass quick connector on
the servo horn. Make sure that the servo does not stall at
either end of its travel.
D 10. Wrap your receiver in a plastic bag, then wrap with
foam rubber. Secure the foam with a couple of
rubber bands.
D 11. Route the antenna out of the fuselage side as shown
in the photo at step 5. Anchor the antenna to the top of the
fin or to the tail gear wire with a rubber band. Do not trim
any excess wire from the antenna.
D 12. Mount the receiver switch and charging Jack through
the fuselage on the side of the fuse opposite to the muffler
exhaust. We suggest using a Great Planes
Switch/Charging jack mount (GPMM #1000) because of
its ease of installation and tidy appearance.
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