Trex450 no servo mix

Goodmorning,

I have a Trex450 with Flybar. I installed Arducopter APM 2.8 and a PPM Encoder but I can’t get the commands to mix on the swashplate. In the Mission Planner settings the servos are in GPIO mode and it’s not possible to select other options. The APM firmware is 3.2.1. Thanks in advance.

Gianluca

That is a very poor choice in Flight Controllers for a Helicopter. Or any other Ardupilot craft for that matter.

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