Trex 450 pro 3gx rudder control problem. - RC Groups
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Mar 17, 2012, 11:56 AM
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ian145's Avatar

Trex 450 pro 3gx rudder control problem.

I was flying my stock trex 450 pro 3gx the other day and it started spinning uncontrollably. Luckily I was able to land with out breaking anything. I took a look and the tail rotor pitch will respond extremely to left rudder input to the point where the contol arm is bingding. And it wont even respond to the right rudder input. It was flying perfectly before. Can I just change where the pushrod connects to the servo? Any help is very appreciated.
Thanks, Ian
Last edited by ian145; Mar 17, 2012 at 12:05 PM.
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Mar 18, 2012, 04:13 AM
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You need to verify that the servo is good. If it is good, then you need to redo the 3gx tail settings.
Mar 18, 2012, 12:28 PM
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Yeah, that sounds like the servo type has changed to a narrow band servo.I've done that accidentally on my other flybarred heli. The servo arm moves right over, and you get the symptoms you described

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