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MINI-Fireworks building instruction May 2015
www.pcm.at
7
7. Stabilizer
Sanding the airfoil onto the balsa boards
You can use the
working aids
(see end of instruction or
sheet attached) for easier sanding:
Make simple
grinding blocks
out of material that can be
easily worked on.
For example, you can cut out the drawings and glue them
onto hard foam. Go over the outline with a hot wire or a
sharp knife. Glue abrasive paper on the sloping surface.
Then, cut the drawings of the elevator and the rudder along
the lines. You can use these templates for
transfering
lines of same height
to the balsa boards.
Begin
with the
line
near the leading
edge
and work step
by step to the trailing
edge.
(Here shown with
elevator of
Fireworks4)
Mark each line on
the
upper- and the
underside.
Lay the sanding
block on the table
and then sand along
the line
until you
touch the line
.
When you have
sanded to the first
line on both sides, go
ahead with the
next
line
.