22- Cowling / Motorhaube
Attach the board or transparent plastic on the side of the fuselage
with the adhesive tape as show.
Using a pencil or felt tipped pen trace around the engine head where it
meet the cowl. Cut the opening the board or transparent plastic for the
engine head as marked above.
Remove the engine and insert the cowl onto the fuselage so the distance
from the fire wall to the front of the cowl is 4-3/4”(110mm).
Using a pencil or felt tipped pen trace around the inside of the engine
head hole on the board or the transparent plastic made in step 1. This
mark will serve as the guides for cutting the engine head hole on the
cowl in next step.
Remove the cowl from the fuselage and carefully
cut the opening for the engine head through as
marked above. Do the same way with the hole for
needle-valve.
Reposition the engine onto the engine mount
beams and secure it with four 3x25mm screw.
Again, insert the cowl onto the fuselage and secure
it in place with four 2.5x10mm screw.
Adhesive
tape
Adhesive
tape
Board or transparent
plastic
Cut the opening the cowl
Cut the opening the board or
the transparent plastic.
2.5mm
3/32”
NOTE: Do the same way in case of two-stroke engine.
2.5x10mm
screw
..........4
1
2
Ruler
3
4
5
CA
25- ABS parts / ABS Teile
Use 150 grit sandpaper to “rough up” the surface on
the bottom of the slots of cowl where the gun-barre
meets the cowl.
Mix a small amount of 5minute epoxy to glue the
gun-barres onto the cowl.(do not use CA glue because
it will make the gun-barres and the cowl
white).
A B
Install the other gun-barres onto the leading
edge of the wing.
