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→Setup menu point E - How to get servo horn to a 90 degrees angle?
===Setup menu point E - How to get servo horn to a 90 degrees angle?===
===Setup menu point E - How to get servo horn to a 90 degrees angle?===
''I cannot get any servo horn arm to be mechanically 90° to the boom. The AR7200/Microbeast/Trajectory does not have a tail "sub-trim" feature!? Is trimming in the transmitter allowed?''
''I cannot get any servo horn arm to be mechanically 90° to the boom. The AR7200/Microbeast/Trajectory does not have a tail "sub-trim" feature!? Is trimming in the transmitter allowed?''
Do not trim the rudder servo by using the transmitter as this will apply a constant rotation command to the unit! When you can't get the servo horn exactly 90 degrees this has no significant effect. The "90 degrees rule" only should give some good basis for initial linkage adjustment. In flight the system will control the servo all the time anyway, so it is not an issue if the center position is slightly offset.
Do not trim the rudder servo by using the transmitter as this will apply a constant rotation command to the unit! When you can't get the servo horn exactly 90 degrees this has no significant effect. The "90 degrees rule" only should give some good basis for initial linkage adjustment. In flight the system will control the servo all the time anyway, so it is not an issue if the center position is slightly offset.