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Quad with APM 2.6 motor #4 spin slower that the others

Posted by Oren Lewkowicz on July 16, 2014 at 11:38pm

Hi,

I just finished building my first quad using APM 2.6.

I did all the calibration process and when I planned to do the test flight and gave some throttle I noticed that motor #4 spins slower than the others.  

I checked if it’s the motor or the ESC by replacing the APM output with other ESC and noticed that the same behavior happens on other set of ESC and motor.

 Any ideas what can cause it?

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Replies

  • Todd Bocik August 24, 2014 at 10:43am

    Did you get an answer?  I have the same problem.

    • Oren Lewkowicz > Todd Bocik August 25, 2014 at 5:38am

      The problem happened when I used 4S battery. I switched to 3S using the same prop size and the quad fly well

      Hope it helps

      • Todd Bocik > Oren Lewkowicz August 25, 2014 at 5:51pm

        No luck for me, I am already using a 3S.  I have tried ESC Calibration (both multiple and single) and it still does not work correctly.  I am working with the manufacturer of the ESC.  Hopefully he will have an answer.

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