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3. Determine how far forward or aft you will be mounting
the fuel tank in the fuel tank compartment. The tank may be
positioned to accommodate a battery pack for the electronic
ignition system should you be using one on a spark-ignition
(gas) engine. Glue the plywood top fuel tank formers into
position so they will support the tank–be certain to glue the
aft former behind the forward former.
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4. Fit the tank into the fuel tank compartment. Connect the
fuel lines (not included) to the tank, then guide the lines through
the hole in the middle of the firewall and connect them to the
carburetor and the pressure fitting on the muffler (on glow
engines). Temporarily lift the tank out of the way, then apply a
few dabs of RTV silicone to the top fuel tank formers and drop
the tank back into position. Apply a few dabs of RTV silicone to
the bottom fuel tank formers, then glue them into position.
Hook Up the Throttle & Nose
Gear Steering
The nose gear steering and throttle are installed
simultaneously. Refer to the following photos for
installation. (Remember, the unused servo arms won't
be trimmed from the four-arm servo arms until setting
up the radio later.)
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1. If you've installed a Fuji engine, the throttle pushrod is
already connected to the engine. If you are using a glow
engine and have not yet installed the throttle pushrod, drill
a 3/16" [4.8mm] hole through the firewall for the throttle
pushrod guide tube. (If you don't have an extended drill bit
the engine will have to be removed–or you could drill the
hole with a 3/16" [4.8mm] brass tube sharpened on the
end). As best as you can, position the hole so the throttle
pushrod will align with the carburetor arm–it doesn't have to
be perfect because you will be able to bend the pushrod
later. Be certain you do not drill into the fuel tank.
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2. Cut 17" [430mm] from the 36" [915mm] gray pushrod
guide tube. Use coarse sandpaper to roughen the outside
of the tube so glue will adhere. Slide the guide tube through
the hole you drilled in the firewall and through the holes in
the other two formers in the fuselage.
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3. Thread a nylon clevis onto a 36" [915mm] wire
pushrod. Start out by cutting the pushrod to a length of 27"
[685mm], then mount the throttle servo in the fuselage and
hook up the throttle using the hardware shown. Bend the
pushrod as necessary to connect it to the brass screw-lock
connector carburetor arm, then cut the pushrod
approximately 3/8" [9.5mm] past the connector.
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4. If you are building your Giant Big Stik ARF with nose
gear, use another 36" [915mm] pushrod, the remainder of
the 3/16" [4.8mm] guide tube and the same hardware to
hook up the nose gear steering. Mount the nose gear
steering servo. It will be easiest to position the steering arm
on the side opposite the throttle pushrod-there are two slots
in the firewall for the pushrod–use the one that works best
for your setup.
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5. Once the throttle and nose steering are connected,
use medium CA to glue the guide tubes in place. Don't
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