Multiplex microJET Instrucciones De Montaje página 11

at the widest point of the elevons. If you cannot achieve
these values by adjusting your radio control system, you
will need to adjust the mechanical linkages.
For the first flight the neutral setting of the elevons
should be about 2 mm "up". For normal flying you will
generally need to use down-trim. After the first landing
mark the trimmed elevon positions on the fins using a
waterproof felt-tip pen. We recommend that you adjust
the elevator trim before each flight, setting the elevons
about 1 mm above the marked points. Once the model
has climbed to a safe height, apply down-trim again for
the rest of the flight.
14. Balancing
The Micro-Jet, like any other aircraft, must be balanced
at a particular point in order to achieve stable flying
characteristics. Assemble your model, ready to fly, and
install the flight battery. You will find moulded-in marks
on the underside of the wing roots, close to the hand-grip
recesses. Support the model at this point on two fingertips,
and it should balance level. If it does not, you can move
the flight battery forward or aft to correct the balance point.
Once the correct position is found, mark the battery cradle
inside the model to ensure that the pack is always
replaced in the same position.
15. Gilding the lily - applying a little decoration
The kit is supplied with a multi-colour decal sheet 11. Cut
out the individual name placards and emblems and apply
them to the model in the position shown in the kit box
illustration, or in an arrangement which you find pleasing.
The cabin can be coloured using a black waterproof felt-
tip pen, continuing the colour down to the edge.
16. Preparing for the first flight
For the first flight wait for a day with as little breeze as
possible. The early evening is often a good time.
Be sure to carry out a range check before the first
flight.
Just before the flight, charge up the transmitter battery
and the flight pack using the recommended procedures.
Ensure that "your" channel is not already in use before
you switch on the transmitter.
Ask your assistant to walk away from the model, holding
the transmitter. The aerial should be fitted but completely
collapsed.
Your assistant should operate one of the functions
constantly while you watch the servos. The non-controlled
servo should stay motionless up to a range of about 60
m, and the controlled one should follow the stick
movements smoothly and without any delay. Please note
that this check can only give reliable results if the radio
band is clear of interference, and if no other radio control
transmitters are in use - even on other channels. If the
range check is successful, repeat it with the motor
running. There should be only a very slight reduction in
effective radio range with the motor turning.
If you are not sure about anything, please don't risk a
flight. Send the whole system (including battery, switch
harness and servos) to the service department of your
RC system manufacturer and ask them to check it.
The first flight ...
Don't try unpowered test-glides with this model!
The Micro-Jet is designed for hand-launching, and should
always be launched exactly into any wind.
If you are a beginner to model flying we strongly
recommend that you ask an experienced model pilot
to help you for the first few flights.
Allow the model to climb to a safe height, then adjust the
trim sliders on the transmitter until it flies in a perfectly
straight line "hands off".
While the model is still at a safe altitude, switch off the
motors and try out the controls on the glide. Carry out a
"dry run" landing approach at a safe height, so that you
are prepared for the real landing when the battery runs
flat.
Don't try any tight turns at first, and especially not on the
landing approach at low altitude. It is always better to
land safely at some distance from you, than to force the
model back to your feet and risk a heavy landing.
17. Safety
Safety is the First Commandment when flying any model
aircraft. Third party insurance should be considered a
basic essential. If you join a model club suitable cover
will usually be available through the organisation. It is
your personal responsibility to ensure that your insurance
is adequate (i.e. that its cover includes powered model
aircraft).
Make it your job to keep your models and your radio
control system in perfect order at all times. Check the
correct charging procedure for the NC batteries used in
your RC set. Make use of all sensible safety systems and
precautions which are advised for your system. An
excellent source of practical accessories is the
MULTIPLEX main catalogue, as our products are
designed and manufactured exclusively by practising
modellers for other practising modellers.
Always fly with a responsible attitude. You may think that
flying low over other people's heads is proof of your
piloting skill; others know better. The real expert does
not need to prove himself in such childish ways. Let other
pilots know that this is what you think too. Always fly in
such a way that you do not endanger yourself or others.
Bear in mind that even the best RC system in the world is
subject to outside interference. No matter how many years
of accident-free flying you have under your belt, you have
no idea what will happen in the next minute.
We - the MULTIPLEX team - hope you have many hours
of pleasure building and flying your new model.
MULTIPLEX Modellsport
Klaus Michler
Product development
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