Great Planes F4 Phantom - GPMA0440 User Manual
Page 37
Perform steps 6 through 8 for retracts only.
6. Trim off all the outer pushrod tubes, 1/2" aft of
Some modelers prefer to install the pushrods and radio
system after the model is covered. If this is your preference,
skip ahead to Covering. Return to this section after you
have covered the model and installed the control surfaces.
former F-8.
7. Cut the 48" inner steering pushrod, removed in
step 12 of Finish The Bottom Of The Fuse, to 35" long.
From the retract end, insert the inner pushrods (end
without the clevis) into the outer steering and retract
pushrod tubes.
8. Cut off 1/2" of the threads on two 2-56 x 12"
If installing retracts, skip to step 6.
threaded pushrods. Thread the 12" pushrods 1/2" into
the inner pushrods at the servo end. You may need to
temporarily remove the clevises to allow enough inner
pushrod to exit at the servo end.
1. Install a Screw-Lock Pushrod Connector in the hole
9. Thread a 2-56 x 1" stud half way into the end of a 48"
1/2" from the center of a straight servo horn. Thread a 4-40
x 1/8" socket head cap screw into the pushrod connector.
Slide the fixed nose gear through the fuse bottom and
through the first beam of the engine mount. Slide a 5/32"
wheel collar on the nose gear. Insert the nose gear
through the second beam and secure the steering arm on
the end of the nose gear with a 6-32 x 1/4" machine screw.
Slide the wheel collar against the second beam and secure
it to the nose gear with a 6-32 set screw.
inner pushrod. Slide a silicone clevis retainer over the
stud and thread a nylon clevis 13 turns onto the stud.
10. Insert the inner pushrod tube in the throttle outer
pushrod tube. Place the engine on the engine mount and
attach the clevis to the throttle arm of the carburetor. Attach
the engine to the engine mount.
2. Cut off all the outer pushrod tubes, 1/2" aft of the
F-8 former,
3. Cut a 48" inner pushrod, 40" long. Cut off 1/2" of the
threads of a 2-56 x 4" and 2-56 x 12" threaded pushrod.
Thread the 12" pushrod 1/2" into one end of the inner
pushrod. Insert the end without the pushrod into the
steering outer pushrod tube.
11. Install the rudder, elevator, throttle and retract servos
4. At the end that protrudes from the firewall, thread the
cut 4" threaded pushrod 1/2" into the inner pushrod.
5. Slide the threaded pushrod through the pushrod
connector until the pushrod connector contacts the inner
pushrod tube. Tighten the 4-40 x 1/8" socket head cap screw
in the pushrod connector and cut off the excess pushrod.
(if retracts are used) in the radio tray. Route the servo wires
through F-8 and plug them into the receiver. Plug the
receiver battery into the receiver switch and the receiver
switch into the receiver. Wrap the receiver and receiver
battery in foam and place them in front of F-8.
Note: On our test models, we installed a Great Planes
Switch and Charge Jack Mount in the back of the
exhaust cone after the cone was painted.
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