Mad Rat stripped gears?

[trf415]

ok, today i took my mad rat out again, i have run this setup for the past 2 runs:
6.5 brushless (nosram)
nosram 5300 28c lipos
19t pinion gear.

the drive in the rat suddenly stopped in the rat and when i got it inside and opened up the gears/diff thing one of them had crumbled,(see pics)
are there any upgrades/compatible parts to stop this happening again?



Thanks in advance!

[sparrow.2]

A 6.5T going through a transmission with bushings instead of bearings without grease on the gears?

I'm surprised you got two runs out of it!

You need to replace the idler gear and diff gear and get yourself a full set of bearings for the car, or it will just self-destroy every single time. When you rebuild the gears get some grease onto the gears. Vampire Racing does some good stuff. Tamiya Ceramic Grease works well too.

Any car would have munched its gearbox with bushing and a 6.5T. Just hope you haven't been running it like that too long or you will have to replace the outdrives and top shaft as well.

[trf415]

thanks for the advice!
one more question..
after about 10mins of running the rat with this system, the esc and motor get very hot!,
do i need to change the pinion gear from 19t?

[gerbil]

in all fairness mate after 10mins running id expect it to be hot mines hot after 5 mins

[trf415]

ok thanks,