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The centre point of the control corresponds to the
setting specified by the offset. If the transmitter con-
trol is moved from this centre point in the direction
of full travel, gyro gain increases proportionally; it
diminishes when moved in the opposite direction.
This provides a fast and straightforward method of
adjusting gyro effect even in flight – e. g. to suit chang-
ing weather conditions – or to test-fly optimal settings.
Furthermore, the range of the gyro's effect within
transmitter control travel in both directions can be
restricted by software.
In this context, be sure to comply with the instruc-
tions accompanying the gyro, otherwise there is a
risk the helicopter will be impossible to fly.
Adjusting the gyro sensor
To achieve the maximum possible level of stabilization
for the helicopter with the gyro along the vertical axis,
observe the following:
•
The controls should have as little friction and
"play" as possible.
•
There should be no "spring" in the control linkage.
•
Use a strong and – in particular – a fast servo.
When the gyro sensor detects a model rotation,
the faster its response – a corresponding corrective
change to tail rotor thrust – takes effect, the further
the gyro gain adjuster can be moved without causing
the tail of the model to start oscillating, and the bet-
ter the model's stability about its vertical axis. If the
response is slower, there is a risk that the model's tail
will start to oscillate even at low gyro gain settings.
Here, further reductions to gyro gain will need to be
made – either by using the default value under "Gyro"
or the associated transmitter control – to eliminate the
oscillation.
If the model is flying forward at high speed or hov-
ering in a powerful headwind, the net result of the
stabilizing effect of the vertical fin combined with the
gyro may also lead to an overreaction that once again
manifests itself through tail oscillation. To achieve
optimum gyro stabilization under all conditions, make
use of the option to adapt gyro effect with one of the
transmitter's proportional controls.
Program description - Control adjust | Helicopter models
127
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