RC Timer gimbal controller - Gets Hot.

I put together an RC Timer 2 axis gimbal last night.  It uses this controller: http://www.rctimer.com/index.php?gOo=goodspic.dwt&goodsid=884

It was a little fussy to tune, but got it working OK.   It's smooth, steady  and tracks well.  But, I noticed that the large motor driver chips on the controller circuit board get hot.  After about 10 seconds they're so hot that I can't hold my finger on them.   (I'm using a 3 cell battery.. It's supposed to be able to take a 4 cell).

Is this heat normal, or do I need a new controller, or do I need to tweak something?  

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  • when you are flying you get air over them to keep them cool. 

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Shivchand Jaysaval liked Shivchand Jaysaval's profile
Aug 25