Firewor-X-tend Building instruction January 2009
6. Fuselage – radio board
In order to
gain full strength
, it is absolutely necessary to
fix the servoboard
in the fuselage!
Before you fix the servoboard in the fuselage, grind the
gluing spots thoroughly and strengthen the edges of the
servo board with super glue.
Before you glue the servoboard, you should first
find out
the optimal position.
To do so, place the servoboard
inside the fuselage without gluing and mount servos for
vertical and horizontal stab.
Make sure that all
levers are freely movable
(also with
canopy mounted), and that the
deflections
of the levers are
big enough.
Note, that the holes in the servoboard are accessible and
that the
servos can be screwed
without problems from
outside.
You can variate the position of the servos with small
blocks
of wood
.
(Here you see the fuselage of Fireworks4.)
You can fix the servoboard with a drop of super glue to
make the position check easier.
Then, glue the board carefully
with epoxy-glue
(for
example UHU 300 endfest or Stabilit, no fast hardening
epoxy resin).
You can add
carbon rovings
left and right of
the gluing spots for additional strength.
If you have a
hard landing
, always
check
if the servoboard
is still fully glued before you make the next start!
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