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Y-Harness Dual Rudder Problem Issue

Posted by Tim Mulder on March 23, 2014 at 5:09pm

For some reason when connecting to the APM channel 4 (rudder) using a Y-harness for a dual rudder setup, there is extreme twitching in one rudder. Has anyone experienced this? Any suggestions?

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apm, rudder, servo, twitching

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Replies

iskess March 23, 2014 at 5:24pm

Does either servo twitch by itself?
If you plug the aileron y cable into channel 4 will it still twitch?
Have you tried 2 different servos on that y cable?
Have you tried a different y cable?
- Tim Mulder > iskess March 23, 2014 at 5:48pm
  
  If each servo is independently connected to the APM then they work fine. It is only when using the Y-harness and it is just one rudder. I have tried another y-harness with no luck, as well I have tried another receiver.
  - iskess > Tim Mulder March 23, 2014 at 6:10pm
    
    Try the same servos and harness on another channel. Try the aileron channel.
    - Tim Mulder > iskess March 24, 2014 at 4:10pm
      
      Tried that, but same situation.
      - iskess > Tim Mulder March 24, 2014 at 4:42pm
        
        So we know it's the servos and not the APM.

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