over heating!!!

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Old 07-09-2004, 05:53 PM
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sup guys, does anyone have a problem with over heating motors? well i have lol. i have burnt up 4 motors and i have tried everything to fix it. any one want to help and i run a hpi rs4 rally.
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Old 07-09-2004, 05:54 PM
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-what kind of motors are you running in your rs4 rally?
-what is the inturnal gear ratio?
-and and are you gearing your motors at?
-and are you running on a track or just out bashin?

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Old 07-09-2004, 05:56 PM
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i have ran a stock and mod at the right pinion and everyting and changed my speed control twice. does it matter if the spur is to high or low?
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Old 07-09-2004, 05:57 PM
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and was the car going fast? like reasonably or very slow? did u check if it was the drive train thats causing all this?
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Old 07-09-2004, 05:58 PM
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and i run a track and street
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Old 07-09-2004, 05:59 PM
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super fast and what happens is the com over heats and melts off after 3 minutes from being normal temp.
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Old 07-09-2004, 06:02 PM
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hmm.....tried new brushes w/ comm trued?
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Old 07-09-2004, 06:03 PM
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2 were brand new and i used motor lube and cleaner and the other 2 were run like 10 runs so the brushes cant get bad that fast can they?
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Old 07-09-2004, 06:07 PM
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thats strange.....well i cant think of anytihng else....

but u said it was normal temp when comm melts.....so is it with the heat or not?
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Old 07-09-2004, 06:07 PM
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Does the Rally have an gearbox? or did you convert the car to rally?
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Old 07-09-2004, 06:09 PM
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i thinnk ti runs on belt F/R
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Old 07-09-2004, 06:10 PM
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do u mean a gear box like a xxx-t no its all open.
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Old 07-09-2004, 06:11 PM
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its a 4wd rally belt and the motor sits in the mr.
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Old 07-09-2004, 06:12 PM
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how about the gear box? do you see the gears or is it in a box?
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Old 07-09-2004, 06:13 PM
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all open
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