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while doing some r&d in the beat lab today i notice that while running my mamba max 6900kv in my rc10 buggy with rpm truck trans the diff got to feeling a bit funny so i took it apart and examined it, i found that the diff balls got so hot they actually melted into the diff gear!!! see pic

I used to have Losi do that all the time no matter what I did to them

lol I haven't had that problem with mine, must be running the diff a bit loose.
Problem I have with my RPM trans is it munches idler gears all the time..

Bugle wrote:lol I haven't had that problem with mine, must be running the diff a bit loose.
Problem I have with my RPM trans is it munches idler gears all the time..

oh it does that too, and the diff was set on the tighter side this time.......

oh it does that too, and the diff was set on the tighter side this time.......

does it still do this if you tighten it all the way??

longboardnj wrote:

oh it does that too, and the diff was set on the tighter side this time.......

does it still do this if you tighten it all the way??

that damages the balls???

lowrydesign wrote:

longboardnj wrote:

oh it does that too, and the diff was set on the tighter side this time.......

does it still do this if you tighten it all the way??

that damages the balls???

And we dont want that!!

how's your slipper set?

that damages the balls???

i run my diffs tight and have not had a prob..sure its not as smooth but it still works..the way a.e. tells you to set it is smooth. but they only had brushed motors running 1700 nicads back then..all the power of your brushless you may have to make it tighter.. i dont run brushless or lipo but i have run 14.4 volts in rcs before and all that power can turn a reliable rc into an rc that cant stay together...

wts873 wrote:how's your slipper set?

so it doesn't slip... aka all the way tight...lol
i am running lipo 2s 30c 5200mah packs

lowrydesign wrote:

wts873 wrote:how's your slipper set?

so it doesn't slip... aka all the way tight...lol
i am running lipo 2s 30c 5200mah packs

You may want to try setting your punch control at 100%. It helps for smooth take-offs and will take some of the strain off the drivetrain. Hah! I'm a friggin' poet!