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❑ Secure the hatch cover into place using one 3mm x 12mm wood screw. Don't overtighten the screw or you will crush
the wood.
Step 4: Installing the Propeller and Spinner Hub
❑ Slide the propeller onto the crankshaft and thread on the spinner hub. Tighten the spinner hub firmly by sliding a
thin-shank screwdriver through the hole in the spinner hub and twisting like a wrench.
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It's unnecessary (and not recommended) to use the propeller washer behind the spinner hub.
If your engine's crankshaft diameter is larger than 5/16", the spinner hub included will be too small. In this case you
will need to purchase a spinner hub that matches the diameter of your engine's crankshaft.
Step 5: Installing the Receiver & Battery
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We don't suggest permanently installing the receiver and battery until you have balanced the airplane. How the
airplane initially balances will determine where you need to mount the receiver and battery. There is plenty of room in the
fuselage, so location should not be a problem.
❑ Wrap the receiver and battery in foam rubber to protect them from vibration. Use masking tape or rubber bands to
hold the foam in place.
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Do not wrap the foam rubber too tightly or the vibration dampening quality will be reduced.
❑ After you've found the final location of the receiver and battery, mount them into the fuselage using your favorite
method. You can use strips of Velcro
®
or sandwich them in place using a couple of scraps of balsa wood glued between
the fuselage sides.
❑ After you have the receiver installed, drill a 5/64" hole in the fuselage for the antenna to exit. Unwrap the receiver
antenna and feed it out through the hole.
❑ Using a modeling knife, carefully make an antenna mount
out of an extra servo horn. Remove one of the arms and cut
it into the shape shown.
❑ Use the modified servo arm and a rubber band to secure
the end of the antenna to the tail wheel wire.
Step 6: Installing the Switch
❑ The switch should be mounted in the fuselage side near the receiver. Use the faceplate of the switch itself to locate
and mark the switch cutout and the two mounting holes.
❑ Using a modeling knife, cut out the hole for the switch. Using a drill with a 5/64" drill bit, drill two pilot holes
through the fuselage side for the mounting screws.
❑ Mount the switch using the two machine screws provided with your radio system. Be careful not to overtighten the
screws. You don't want to crush the fuselage side or break the faceplate of the switch.
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