
.
BUILDING THE MOTOR PYLON
66.
Place the motor mount that you are using on the firewall (P-2). Center the hole in the mount with the hole in P-2. Mark and
drill the mounting holes in P-2. Remove the mount from the firewall and install the 6-32 blind nuts.
Install the mount on the firewall with the proper screws. If the screws extend past the rear of the firewall they must be cut off
to prevent damage to the fuel tank. The motor mount screws should stick out the back of the blind nuts about 3/32".
Position the motor on the mount. The front face of the propeller flange on the motor should be 3/34" to 4" forward of the
firewall. Mark and drill the motor mount for the screws that you are using. Temporarily bolt the motor to the mount. Check
the fit and security and then remove the motor from the mount.
67.
Assemble the motor pod from parts P-1,
P-2, P-3, and P-4. Use epoxy and make
sure that all of the joints are securely
glued. Double check that the blind nuts
on the firewall are facing the proper
direction. Glue the two pieces of 1/4"
balsa triangle into the front corners
between P-2 and P-4 sides.
68.
Assemble the fuel tank following the
manufacturers instructions. Use a two
line system where one line is the fuel
pickup/fill line and one line is the
pressure/vent line. Place a bead of
silicone rubber to the front of the tank
and insert the fuel tank into the pod. The
front of the tank should be up against the
back of the firewall and the silicone
should seal and bond the tank to the
firewall. Allow the silicone to dry.
69.
Glue the two pylon support parts P-6 to each side of P-5. When the glue is dry, trim away any overhang and sand the front
and rear edges round. The top and bottom should not be sanded. Test fit the support to the bottom of the pod.
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