GREAT PLANES Big Stir 40 Manual de instrucciones - Página 11

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5. Position the engine on the engine mount. Adjust the

mount as needed for your engine. Position the engine 4-1/4"

(106mm) from the front of the thrust washer to the firewall.

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6. Use a #36 (2.8mm) drill bit and drill the four mounting

holes for the engine into the engine mount. After the holes

have been drilled, tap them with a 6-32 tap. The Great

Planes Dead Center

™

Locator works really well for this task.

PROP AND SPINNER INSTALLATION

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1. Install the back plate, prop and prop washer onto the

engine crankshaft. Tighten the nut to hold everything in place.

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2. Screw the spinner onto the backplate.

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1. Locate the aluminum landing gear. Make a line 1/2"

(13mm) from the leading and trailing edge of the center portion

of the landing gear. Make four marks 3/4" (19mm) from the

bend of the gear. Where the lines intersect is the point where

you are going to drill the hole for the mounting bolts.

(GPMR8130) Engine Mount Hole

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2. Drill four 5/32" (4mm) holes in the landing gear on the

four marks you just made.

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3. Locate the aluminum landing gear under the plywood

landing gear plate. Center the landing gear over the

plywood plate. Then, using the landing gear as a template,

drill a 5/32" (4mm) hole through the fuselage in each of the

four holes in the landing gear.