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4. Initial test-run of the motor
Note: do not connect the flight battery to the speed controller
until you have switched on your transmitter, and are certain
that the control which operates the motor is at the "OFF"
position.
Check the direction of rotation of the motor using your radio
control transmitter and the flight battery: when viewed from
the tail, the motor shaft must spin clockwise (to the right).
If that is not the case, swap over any two of the three wires
attached to the motor.
5. Aileron servos
The output arms on the servo shafts, angled forward by
two splines relative to the case sides (the servos as a
mirror-image pair). This arrangement provides mechani-
cal aileron differential, if your transmitter does not feature
suitable electronic facilities (differential mixer). Angling the
output arms in this way ensures by mechanical means that
the up-travel of the ailerons is greater than their down-trav-
el. You also can get then more up-travel for spoiler.
Fig. 5
Tip: if the hinge line should tear at any time, a drop or two
of cyano will repair the damage.
6. Trial-fitting the wings in the fuselage
The wing panels can now be plugged into the fuselage.
The wings are separated by pulling the lug forward towards
the wing leading edge with one finger, until the teeth
disengage.
Fig. 6
Note: if the wing retainer system should become loose
after you have flown the model for a while, push the wings
together slightly more firmly: this will engage one further
tooth, and the joint will become firm again.
Temporarily fit the tailplane panels on the fuselage by
pushing them together until the latch engages.
Fig. 7
Note: Tailplane
To dismantle the system, locate the point marked "X" on the
tailplane 8, and press it in to release the retainer.
Fig. 8
It is essential that the tailplane should pivot freely. If the
panels rub against the fin, it may be necessary to compress
the foam slightly at the root face of the tailplane panels. The
easiest method of doing this is to place the root face of the
tailplane panel on the edge of a table, and slide it to and
fro using moderate pressure. Alternatively the foam can be
trimmed back very slightly using a balsa knife.
7. Checking the model
Assemble the model completely, and ensure that the
airframe is "straight and square". All the receiving system
components must be installed and connected correctly.
Check the control surface travels and the direction of
rotation of the servos. Ensure that all the mechanical control
systems are free-moving. Check that the wires attached to
the motor cannot make contact with the rotating section of
the motor or the servo output arms (if in doubt: glue them!).
With the propeller fitted, carefully check once more that the
motor rotates in the correct direction.
Figs. 9
14
8. Setting the control surface travels (recommended
values only!)
The control surface deflections must be set correctly if the
model is to respond in a harmonious manner to control
commands. The travels are measured at the widest point
of each control surface.
Aileron:
Elevator:
Rudder:
Spoiler:
Elevator compensation:
Spoilers:
Power:
The tailplane is at the correct neutral point when the socket-
head grubscrew is visible through the hole in the side of the
fuselage. Be sure to set the elevator servo exactly to centre
before you tighten the grubscrew!
Fig. 10
The "Spoiler" function is designed to shorten the landing
approach by deflecting both ailerons up simultaneously.
At the same time the appropriate down-elevator trim is
mixed in, so that the model maintains a stable attitude.
This function can only be implemented if your radio control
system features suitable mixer facilities. Please refer to the
instructions supplied with your RC system for details of this.
Note: when you apply a right-aileron command, the right-
hand aileron - as seen from the tail, looking forward - must
deflect up.
If you wish to give your new model a coloured finish, we
recommend our range of "ELAPOR® Color" spray cans #
60 2701 - # 60 2712. Note that the foam surfaces must be
given a coat of MULTIPrimer # 60 2700 beforehand.
You will find further information and tips on using "ELAPOR®
Color" spray paints in the FAQ section on our website.
9. Setting the Centre of Gravity
The correct Centre of Gravity can be set by adjusting the
position of the speed controller and flight battery, and by
adding ballast if required. The CG should be located 57 mm
back from the wing leading edge, measured where the wings
meet the fuselage; the position is indicated by small raised
pimples on the underside of the wings. Support the fully
assembled model on two fingertips: if balanced correctly,
the fuselage should now remain horizontal, with the nose
inclined slightly down.
If necessary, add trim ballast 30 / 32 to the chambers in
the fin, then cover the recesses with the stickers from the
decal sheet.
Fig. 11 + 12
10. Pre-flight preparations
For the first flight please wait for a day with as little
breeze as possible; it is often worth waiting for the quieter
evening hours. If you are a beginner to radio-controlled
model aircraft, we strongly recommend that you ask an
experienced modeller to help you, as it is extremely likely
that things will go wrong if you try to "go it alone". If in
doubt, contact your local model flying club. Your nearest
model shop will also be able to supply the address of clubs
in your area.
12 / 6 mm +/-
10 / 10 mm +/-
15 / 15 mm +/-
14 mm (both ailerons up)
3,5 mm „down"
1 mm „down"
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