17
BUILD THE FUSELAGE
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11. Insert the outer pushrod tube through the holes in the
fi rewall and formers. Mark and cut the tube to length so the
aft end is 2" [51mm] in front of the throttle servo arm and the
forward end protrudes beyond the front of the fi rewall 1/4"
[6mm]. Roughen the outside of the pushrod tube using 220-
grit sandpaper. Glue the outer pushrod tube to the holes in the
fi rewall and formers.
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12. (If you are installing an engine with a rear mounted carb,
cut off a portion of the threaded end from the 20" [508mm] long
pushrod leaving 1/2" [13mm].) Thread a nylon clevis onto the
pushrod 20 complete turns and install a silicone clevis retainer
onto the clevis.
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13. Insert the pushrod through the outer pushrod tube and
through the screw-lock pushrod connector on the throttle servo
arm. Connect the clevis to the throttle arm on the carburetor.
Make any necessary bends in the pushrod so the pushrod can
actuate the throttle without binding. When satisfi ed, adjust the
pushrod position in the screw-lock pushrod connector so that
the throttle servo properly opens and closes the carburetor. Use
the radio system to test the operation of the throttle. Tighten the
set screw in the screw-lock pushrod connector and cut off the
excess pushrod 1/4" [6mm] behind it.
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14. Cut the carb line to length and connect it the fuel inlet.
If you put a fi ll line in the tank, you will need a fuel line plug
(not included). The line can hang free from the bottom of the
plane or can be secured in which ever way you see fi t. Attach
the muffl er and connect the pressure line to it (the muffl er may
need to be removed when fi tting the cowl depending on how
you choose to make the muffl er cutout).
