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11-27-2016, 06:59 PM
| #1 |
| Rock Crawler Join Date: Dec 2014 Location: friendswood, TX
Posts: 932
|  Motor Pinion Issues
Out bashing today and broke a tooth off the pinion gear. Second one that has done this. I use RRP hardened pinions and I have been in this game long enough I know the mesh was right. Exactly 19 runs on a new gear since the last one broke. Any ideas? Checked gear mesh when I got home before disassembly and it was great except for the broken tooth. It broke flush at the root or bottom just like the last one.
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11-27-2016, 07:01 PM
| #2 |
| Pebble Pounder  Join Date: Feb 2016 Location: Stillwater
Posts: 153
| Re: Motor Pinion Issues
Does it show excessive wear on the other teeth? When I was using an RRP pinion I noticed it was wearing a lot quicker than the stock axial one. Put a new 15T axial pinion in it and haven't had any issues Sent from my iPhone using Tapatalk |
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11-27-2016, 07:33 PM
| #3 |
| Rock Crawler Join Date: Dec 2014 Location: friendswood, TX
Posts: 932
| Re: Motor Pinion Issues
It shows wear but nothing I would call excessive.
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11-27-2016, 10:20 PM
| #4 |
| Newbie Join Date: Aug 2016 Location: New Zealand
Posts: 31
| Re: Motor Pinion Issues
That is a bummer  I wonder if it is coming from all the play in the transmison gears and transfer all the shock back to the pinion gear. I notice there is quite a lot of play with the pins locating the gears. I will be trying the BHB mod with bigger pins to take out some of the play
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12-01-2016, 02:50 PM
| #5 |
| Quarry Creeper Join Date: Mar 2015 Location: florida
Posts: 300
| Re: Motor Pinion Issues
Check if the spur is wobbling, if it is, just change the slipper plate, chances are the slipper plate has rubbed against the backstop notch on the slipper drive gear shaft and the plate is worn, if there is no wobble then it is a much bigger issue.
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12-01-2016, 03:48 PM
| #6 |
| I wanna be Dave Join Date: Jun 2013 Location: Ramona, CA
Posts: 2,178
| Re: Motor Pinion Issues
That sucks Steve. After your Trans check I use the Tekno on everything with no problems yet. Though for 1/5 I use the RCM on my Lightweight 1/5 and Big Bertha Losi Mini with no issues. Both those are pushing 8S one at 5000watts and the other near 8000. Maybe try either one for the third time is a charm. If I had issues witht the Tekno on 1/8 I would use thrm for sure. https://www.amainhobbies.com/tekno-r...54501?v=211311 5mm bore, mod1 pinion, RC-Monster Proprietary Items Last edited by cmbscx10; 12-01-2016 at 03:50 PM. Reason: URL added |
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12-01-2016, 05:54 PM
| #7 |
| Rock Stacker Join Date: Oct 2016 Location: Staten Island
Posts: 59
| Re: Motor Pinion Issues
Any luck figuring out the problem ?
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12-01-2016, 06:32 PM
| #8 |
| Rock Crawler Join Date: Dec 2014 Location: friendswood, TX
Posts: 932
| Re: Motor Pinion Issues
No not really.
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12-01-2016, 09:51 PM
| #9 |
| Rock Crawler Join Date: Dec 2014 Location: friendswood, TX
Posts: 932
| Re: Motor Pinion Issues
will mod 1 gear work as 32 pitch?
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