drifting

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.

lazyboy

-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?

lazy

drifting

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?

rc_square24

iTrader: (9)

and was the car going fast? like reasonably or very slow? did u check if it was the drive train thats causing all this?

drifting

and i run a track and street

drifting

super fast and what happens is the com over heats and melts off after 3 minutes from being normal temp.

rc_square24

iTrader: (9)

hmm.....tried new brushes w/ comm trued?

drifting

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?

rc_square24

iTrader: (9)

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?

GundamWZero

iTrader: (4)

Does the Rally have an gearbox? or did you convert the car to rally?

rc_square24

iTrader: (9)

i thinnk ti runs on belt F/R

drifting

do u mean a gear box like a xxx-t no its all open.

drifting

its a 4wd rally belt and the motor sits in the mr.

GundamWZero

iTrader: (4)

how about the gear box? do you see the gears or is it in a box?

drifting

all open