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Step 9
Use the cardstock from Step 4 to locate the positions for
the cowling screws. The goal is to drill into the center of
the cowl mounting blocks for the four screws that hold the
cowling. Drill the locations using a 1/16" (1.5mm) drill bit.
Step 10
Enlarge the holes drilled in the cowling using a
1/8" (3mm) drill bit.
Step 11
Attach the cowl using four #2 x 1/2" sheet metal screws.
Hint: Apply several drops of CA into the screw
holes after threading the screws in a couple
of times. This will harden the wood and keep
the screws from loosening during flight.
Step 12
Attach the propeller to the engine. An A-Style Propeller
Nut: 1
1
/
4
" (TRUB1250A) and matching adapter for
the engine were used for the photos on the box.
Section 6: Cowling Installation
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