48
12.
Dry fit the header and canister inside the tun-
nel and ensure there is clearance on all sides.
13.
Locate the pre-painted balsa canister tunnel
rear former as shown below.
14.
Dry fit the canister tunnel rear former inside
the rear of the canister tunnel. Tilt the bottom
of the former slightly to the rear at the bottom
of the fuse as shown. This will allow the air
flow to exit easily.
15.
Mark the bottom of the fuse line on the former
and mark the top of the canister tunnel where
the former makes contact.