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08 gyro channel / activating gyros
For the first flight and in-flight tuning, it should be possible to adjust the gyro channel and therefore gyro sensitivity in flight. It is therefore possible to find the
optimum quickly, or reduce it immediately if sensitivity is too high. A pot or slider is recommended.
Now check the function of the gyro channel by adjusting the modes/bench via the transmitter and comparing the LED's colour reaction.
It is possible to determine whether bench 1 or 2 is activated from the direction in the gyro channel. Negative signal <1.5ms activates bench 1 (normal mode:
LED = yellow orange), positive signal >1.5ms activates bench 2 (Hold mode: LED = green).
Missing or neutral gyro channel signal (LED = red) switches off all the gyros (manual flight).
Normal-Mode
MODE
Normal flight
APPLICATION
09 gyro directional test
Definitely required before the initial flight and following any change to the installation position or in the RC system (servo directions, channel assignment etc.).
For the direction test, first ensure that all gyros have been activated (on the gyro channel and/or configuration by PC. Sole exception is if individual axes have
deliberately not been taught so as not to enable the corresponding gyros, these will naturally also not give any gyro reaction).
Now tilt the model in each axis and check that during the movement the corresponding rudders deflect in the opposite direction, i.e. work against it. Check both
directions for each axis and also check that only the rudders concerned move.
If the rudders deflect incorrectly, either the setup process has been unsuccessful or the installation position of the device is incorrect (or the transmitter was
already incorrectly programmed prior to setup).
10 test flight/flying
Only start after a successful gyro directional test.
Setting sensitivity
Start with a low sensitivity setting in the gyro channel, maximum 20% and initially only in normal mode (LED = yellow orange). To achieve an as most powerfull
stabilisation as possible, sensitivity is increased carefully as far as possible without any disruptive vibrating movements (oscillations) occurring. If vibrations
occur, sensitivity is reduced by approximately 5-10%. Test the setting even at high flight speeds, as the control reaction will be strongest then and therefore the
tendency to vibrations increased.
Under normal conditions, the gyro will produce an effect similar to expo. Therefore reduce the expo-setting or switch it off completely.
Once the optimum settings have been found, programme a 3-position switch on the transmitter with the corresponding endpoint/ATV setting to be able to switch
between the required modes (bench 1 / Off / bench 2). This can, of course, also be achieved by means of the idle up switch.
AUX (Gyro) channel
-100
Bank 1
Unstabilised aerobatics
aerobatics
Start
Land (error)
0
off
GYRO OFF
Hover / Torque / Harrier
(tailspin etc.)
Deactivate for starting
manual flight
and landing, or switch to
+100
Bank 2
Hold-Mode
normal mode
8
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