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One of four ESCs getting hot

Posted by Mike O on October 13, 2011 at 11:37am

After some 5-8 minutes of flying my quad, I noticed that one of the ESCs is getting a little warm, whereas the other 3 are close ambient temperature.The quad flies well and as stable as my skills allow.

The quad is completely symmetrical with 4 identical Turnigy motors and 4 identical 30A ESCs. I fail to see what could cause only one ESC the heat up more than the others, apart from a motor/prop failure.

 

Any suggestions?

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Replies

  • Mike O October 13, 2011 at 10:42pm

    Darn - you're probably right! I didn't think of the (linear) BEC function at all.  :-)

     

    Thanks!

  • Moderator
    Michael Pursifull October 13, 2011 at 11:50am

    I'll bet you a magnetometer that it is the ESC which provides the BEC power to your APM...

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