Locate former FF4 and trial
onto the boom assembly as
shown, when satisfied with the
fit you can final glue the former
onto the assembly which will
fit
complete one of the booms.
and
uild an
OPPOSITE boom!
OINING THE TWO BOOM HALVES
es
he two halves to sit
flat for joining.
ply
ing the two halves at the
ottom.
d the
shown in the following
photos.
Repeat all of the above steps
build the other boom. Don’t
forget that you must b
J
You will need to place the two halv
on an elevated surface to allow the
Stabilizer spars to hang off the side.
This will allow t
Locate former BH7 and fit to the
structure as shown. At the bottom you
will add a piece of ½ balsa triangle and
then install the 1/8 x 1 x 8 and 5/8
strip join
b
Place the assembly upside down and
cut two ½ x ¼ x 4 pieces of spruce to
join the top sections as shown. You
may want to bevel the edge behin
intake as
9