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Old 05-27-2013, 04:22 AM   #6122 (permalink)
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Originally Posted by MPaulHolmes View Post
... My guess is that 5th gear at low speeds was really hard on it.

Paul, yes that true but after first failure, we have changed mosfets, driver and resistors. And second time I did only 1/4 miles around block for 30 second without very high load or speed when mosfets cooked.

So now I need think or check what could couse this problem only thing what I think it could be is that one of the Mosfet was failured and blown up others but maybe there are more theory why mosfets blown up or cooked so quickly.

Another thing is have you checked other Mosfets more than 20mohm resistance how they work?
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