©2019 Moustache Model Works, LLC
25
20cc DHC
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2 Beaver Instruction Manual
40.
Install the Fuselage Forward Lower Cor-
ner pieces, which are laser cut 2.5mm
balsa. There will be some sanding re-
quired to achieve a proper fit, and you
may have to wet the balsa with water or
a mix of water and ammonia to get it to
form around the radius. Sand flush with
Bulkhead 1.
39.
In a similar fashion, fit the aft sheeting
and glue into place. Trim it a little long
at the aft end and sand flush with the
Canted Bulkhead.
41.
Sand an angle in the top and sides to
match the angle in the top corners of
the bulkheads.
42.
Glue the 10mm x 45mm sheets in place on the corners,
then carve & sand to the proper radius. You may want
to pre
-
trim some material away over the cabin area to
reduce the amount of carving required.
The shaping is easier if you do it in 3 steps:
a.
First, using a knife or a plane, rough carve the pieces
to be nearly flush with the sides and top
b.
Second, sand them to be fully flush with the sides
and top
c.
Third, sand the radius, which is more of an elliptical
cross section than circular
43.
Sand the top of the Canted Bulkhead
flush with the fuselage sides at the
stab saddle, then sand a slight
“
V
”
shape in the same location (when
viewed from behind) so the horizontal
stabilizer mates properly to the fuse-
lage.
44.
Glue the forward cabin roof in place, made from the 3mm x 100mm x 100mm balsa sheet
a.
Cut three lengths of the balsa sheet at 50mm each, across the grain
b.
Glue together edgewise to make a piece 50mm x 300mm. only about 210mm in length
is needed.
c.
Sand the fuselage sides at the front corners to match the curvature of the overhead
bulkhead to create more gluing surface for the balsa.
d.
Glue in place on the fuselage. You may need to wet the corners down a bit to help
them form around the curvature of the fuselage side.
e.
Trim and sand the overhang flush with the fuselage sides and overhead bulkhead.
