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The essential criterion for positioning the central unit has to do with
wiring. The receiver must be connected without pulling or bending the
wires. At the same time, the central unit must connect to the
swashplate servos. The tail servo must also be connected.
The central unit must be protected from stronger vibrations (e.g. in a
90-size nitro helicopter). Do not tense or bend any wires. Always
secure the unit, so that it cannot fall off. Ensure that it is never touched
by any moving part of the helicopter.
- Gyro Sensor
The gyro sensor houses three individual sensor elements - one for
elevator, one for aileron, and one for the rudder. The first two of these
sit in perpendicular fashion with respect to each other. This is why
the gyro sensor must be aligned perfectly along all three axes. The
sensors are equipped with excellent interference rejection properties
regarding any axis which is not the one they are meant to work for.
As a result it is irrelevant where the gyro sensor is placed in relation
to the rudder axis. However, it is very important that the sensor is
installed so that the wires lead in longitudinal direction, facing forward
or backward.
- Central Unit
The central unit houses the microprocessor and the power/voltage
supply for the V-Bar. The supply voltage is 3.5 to 9 V.
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