Pictures are of
different model
but procedure is
the same
Measure From F1 to end of cowl to get correct box length
2)
Slide engine box sides through former F1, slide notch of engine box sides into former F2.
Square sides to former F1. Using epoxy, glue sides to F1, F2 and fuse floor.
3)
Epoxy 3/8” ply firewall to the inside of the engine box sides and flush with the bottom of
sides.
4)
Cut 1/8” lite ply engine box floor to correct length. The floor should rest on bottom of sides
and firewall and butt up next to former F1.
5)
Epoxy engine box floor to the bottom of sides, firewall, and front of former F1. Be certain to
square all parts to former F1.
6)
Use 3/8” balsa tri-stock reinforcement at all glue joints. Behind firewall reinforce glue joint
with 3/8” spruce tri stock.
Engine shown is Zenoah G-62 with magneto.
8
