Mount The Cowl - GREAT PLANES Super Chipmunk Instruction Manual

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14. Place your throttle servo into the servo tray as
shown. Drill a 1/16" [1.6mm] hole through each of the
mounting holes. Remove the servo, then install and remove
a servo mounting screw into each hole. Apply a couple
drops of thin CA into the holes to harden the threads. When
the glue has hardened, permanently mount the servo to the
servo tray. Cut the plastic throttle tube as shown.
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15. Cut the 1" [25mm] threaded end from the .074 x 12"
[305mm] throttle pushrod wire. Install the wire into the tube
and attach it to the servo horn and the throttle arm on the
carburetor with two brass screw-lock connectors, the nylon
retainer and a 4-40 x 1/4" [6mm] socket head cap screw.

Mount the Cowl

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1. Slide the cowl onto the fuselage and over the engine
as far as you can. Mark the location where the engine
begins to make contact with the cowl. Begin cutting the
fiberglass cowl using a high-speed rotary tool. Hint: If you
are using a four-stroke engine you can remove the valve
cover, allowing more room when fitting the engine. Cut small
amounts away from the cowl at a time, making adjustments
as needed until the cowl fits over the engine.
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2. Locate three balsa cowl rings. Glue them together to
form one 3/8" [9.5mm] cowl ring.
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3. Located on both sides of the fuselage is a small
dimple. This dimple is a reference for the plywood block
inside of the fuselage for the cowl mounting screws. Apply a
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