Rampage XB-E Spur / Pinion Gear Alignment...or lack thereof

10/3/2011

I discoved after shooting this video that the pinion gear had in fact simply slid down the motor shaft a little bit. When I re-assembled everything, I put some shims behind the pinion to ensure that this never happens again. Although, I'm sure just snugging up the set screw and using some locktite would have been enough.

Good news is, even with the poor alignment of the pinion gear, both the pinion and metal spur were in good shape.

Have you guys had any issues with your spur or pinion gears? Please let us know by posting a comment below.

Nip Nip

9/25/2013 04:02:21 pm

I experienced this exact problem last night. I have a Maverick Vader XB which is the HPI version of the redcat sold in the UK.

My ESC gave up and needs replacing and we believe it is due to this slip in pinion gear. It's put a lot of extra load onto the engine so had just demanded too much.

I'm going to do a full tear down next week as I also suspect my drivetrain cups are loose as I get the same noise too

Rob link

9/27/2013 12:37:52 am

Hey Nip Nip, good to hear from you.

The XBE / Vader is an awesome buggy but by tearing it down like I did, you'll surely make some improvements

Nip Nip

9/30/2013 09:17:05 pm

Yeah, it ended up taking out the motor as well :(

Rob link

10/1/2013 04:44:10 am

that sucks : (

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Rampage XB-E Spur / Pinion Gear Alignment...or lack thereof

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