WHY DO I KEEP STRIPPING MY SPUR GEAR?

Verde · #1 31-05-2013

I race a Cat SX on an indoor carpet track, it's very tight, lots of on/off throttle, and there's alot of traction (I use foams)... I know, not really buggy territory, but I don't get chance to race outdoors much.

Although it's been shelved for a while, the last two outings I stripped the spur gear because the centre of the spur seems to have warped/melted causing it to move off centre.

I was wondering what could be causing this? Slipper too tight, or could it be something else that's worn out causing it to happen? Before I put a new one on I thought best do some research as think it'll do the same again if I don't adjust something.

Many thanks,
Jason.

phil c · #2 31-05-2013

That's normally from running the slipper clutch to slack, which causes that much heat it melts the center of the gear, new pads can help if they are shiney they slip to much and also running the slipper tighter, also make sure all the bearings on the layshaft are in good condition

Verde · #3 31-05-2013

Thanks Phil. I'll strip it down an have a close look, then rebuild it accordingly and see how it goes.

Verde · #4 31-05-2013

The slipper pads do look a bit shiny Phil, and are very smooth to touch. Prior to the spur stripping the slipper wasn't making the usual loud'ish noise either, it was more of a high pitch whistle (similar to a loose ball diff struggling to bite). Not sure if to just get new pads for £6 or an entire slipper set for £11.50?

rapidrubberwill · #5 31-05-2013

MY SX2 USED TO DO IT, IT WAS FROM RUNNING MY SLIPPER TO SLACK. IT MELTS THE CENTER HOLE FIRST THEN THAT KNOCKS THE MESH OUT I AWAYS CARRY SPARE SPUR GEARS BECAUSE OF IT

Verde · #6 31-05-2013

Quote:

Originally Posted by rapidrubberwill

MY SX2 USED TO DO IT, IT WAS FROM RUNNING MY SLIPPER TO SLACK. IT MELTS THE CENTER HOLE FIRST THEN THAT KNOCKS THE MESH OUT I AWAYS CARRY SPARE SPUR GEARS BECAUSE OF IT

Think i'd better order a couple more spurs then. I'll stick new pads in and try to get a good balance to avoid it happening too often. In the meantime I'll get looking for some bargain spurs. Thanks Will (possibly see you at Bury on Sunday).