
.
142. Fit the fuselage top back over the stabilizer, trim the covering on the top of the stabilizer, then glue the top down. Sand and
fill as needed to blend into fuselage top.
143.
Fill-in any dents or dings as required, followed by finish sanding the fuselage.
144.
Trim and trial fit the canopy at this time.
The front of the canopy should be about
1/8" (3mm) behind the part line at the
front of the hatch and the sides should
be about even with the bottom of the
hatch.
Using the small circles punched out of
the sides of MM-2 motor mount,
fabricate and locate the canopy hold
down block and sand to fit the canopy.
This mount should sit on a flat spot on the top of the fuselage centerline about 5/8" (15.9 mm) back from the part line at the
rear of the hatch. Do not glue down or drill at this time.
144.
Before finishing the cowls and engine mounts, notice that there is a small hole in the center of the firewall. This hole
denotes the center of the thrust line and the center of the firewall. Draw two lines through the center of this hole, one
horizontal and one vertical.
145.
Remove a plywood cowl ring from sheet #11 and use it as a template to mark the
location for the cowl hold down screws on the horizontal line after centering the
ring from side to side.
146.
If you are going to use the included motor mount, you will also want to locate it's
mounting screws on the vertical line at this time. The middle hole on the motor
mount rear bulkhead MM-1 is the center of the thrust line and should be centered
over the hole in the firewall. Pilot drill these 8 holes with a 3/64" (1.2mm) bit and
apply a couple of drops of thin CA to each hole to harden the wood.
147.
Trim the cowls to length and mark for the cowl ring. A handy tool for marking these accurately can be made from scrap
wood. Follow the drawings and pictures on how to do this.
148.
The cowl ring is inserted in the cowl until
the rear of the ring just touches its line
on the cowl. Glue this in with medium
CA when it is properly positioned.
149.
Cut out the front of the cowl, just inside
of the lip, and open up and smooth the
opening with sandpaper wrapped
around a 1" diameter dowel.