Make the slits in the body sides
long enough to allow the set in of the
wings without spreading and bend the parts using a
hairdryer warming them up
until a best and tight fitting is achieved.
Get in the bended joiner wire into
one wing first.
Then glue in one wing properly using
CA glue only slightly at a few points.
Set in the other wing, meeting the
joiner in and measure all for a best
possible symmetric position of both wings with a zero
Glue in with CA glue and afterwards
with epoxy from inside and fill all gaps
properly with using microbaloons and epoxy.
Glue in the joiner with CA in final
Lead in the pull pull cables, 2 in
Fit in a servoplate (3-4 mm plywood
sheet) and glue in with two servos. (it
is easier when you part the servo plat into two halfs
and glue all together
inside, with the servos on). The servo disc link must
be in line with the
outcoming pull pull cables to avoid too big angles
Fit in the rudderhorns in the elevons,
glue them with epoxy so that they
look out in equal lengths. Connect the cables.
The way of the rudders should be
max 20 ° upwards and max 10 ° downwards.
Glue steering cables into the insides
of the head, close to the neck. Secure
them with kevlar or glass reinforcement sheets using
Cut two wholes for the cables to
allow them to lead into the fuse.
Glue in the hinge wire inside the
head crest/neck so that the head can move
in the hinge about 20 ° each side. A little gap
may remain but you can pull
over a very find stocking fabric and paint the black
to make it invisible.
Lead the cables to the servo (metalgeared)
and start with 10 ° move space
for each side only.
For trim flights, leave out the head,
get the elevons 2 mm up and lauch
gently by hand. Get the battery in the best possible
position to allow a
flat glide angle.
When the glide is flat and steerable,
get the elevons almost in the neutral
position and the battery again a few millimeters back.
(Careful now, only
test over soft grounds)
When the flight is flat and straight
mark the CG now, get the head on and
the battery more back until CG is in the same position
again. Launch again
now without steering the head.
Now get the head moving, coupled
with the ailerons but only 20%. Set in a
gyro with heading position and try out the best gyro
rate (about 70 %)
In case of a flat glide but with unpredictable dives
or pitch stalls, the CG
is still too far behind. Get the CG more to front
and lift the elevons up to
2 mm, bend the gap to neutral plane using a hairdryer.
When tip stalls occur, bend up the
trailing edge at the tips.
Enjoy the flight image of a very
unusual flying animal!