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13.
Mark a centerline onto the bottom of the cowl
as shown.
14.
Align the paper template with the cowl as
shown. Ensure the center lines are aligned and
the 3/8”overlap line is on the aft edge of the
cowl.
15.
Tape the template to the cowl as shown.
16.
Draw a larger cooling air exit hole on the pa-
per template that is aligned with the leading
edge of the exhaust stacks. Ensure all the holes
will have approximately 2-3 times the area as
the intake holes on the front of the cowl