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06-20-2010, 03:00 AM
| #1 |
| Quarry Creeper Join Date: Feb 2010 Location: melbourne
Posts: 215
|  Tranny keeps breaking...grrrrrrrr
Please help me i keep stripping out the idler gear in my tranny. I have had plastic and metal and no mattter what it breaks and the crazy part is its in my wife's truck and she's not as wide open as me and she always breaks it. The motor is a velenion brushless with 2s 25c battery with 2.2 flat irons and 87t spur 18t pinion, any help would be great
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06-20-2010, 03:01 AM
| #2 |
| Quarry Creeper Join Date: Feb 2010 Location: melbourne
Posts: 215
| Tranny Keeps Breaking PLEASE HELP
Please help me i keep stripping out the idler gear in my tranny. I have had plastic and metal and no mattter what it breaks and the crazy part is its in my wife's truck and she's not as wide <NOBR>open</NOBR> as me and she always breaks it. The motor is a velenion brushless with 2s 25c battery with 2.2 <NOBR>flat</NOBR> irons and 87t spur 18t pinion, any help would be great
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06-20-2010, 07:09 AM
| #3 |
| Rock Crawler  Join Date: Jan 2006 Location: Phoenix
Posts: 573
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I would try running an aluminum Transmission case, that should help it to not flex under power
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06-20-2010, 07:16 AM
| #4 |
| RCC Addict   Join Date: Apr 2008 Location: Singapore
Posts: 1,742
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Looks like a slipper might help.  |
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06-20-2010, 09:49 AM
| #5 |
| RCC Addict Join Date: Oct 2008 Location: Tyler, TX
Posts: 1,619
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I wouldn't waste money on an aluminum case. Just buy a new plastic one, yours could be warped or the gear may not be going in straight if the bearings aren't set correctly either.
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06-20-2010, 11:22 AM
| #6 |
| I wanna be Dave Join Date: Jul 2005 Location: North Idaho
Posts: 3,648
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This is a stab in the dark, but I'm thinking the problem might be in your tranny case. It sounds like something got tweaked in there, or it has a manufacturing defect that is causing the gears to not mesh correctly.
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06-20-2010, 11:40 AM
| #7 |
| Suck it up!   Join Date: Mar 2008 Location: Arkansas
Posts: 11,652
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Probably the loose nut behind the wheel.
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06-20-2010, 11:53 AM
| #8 | |
| I wanna be Dave Join Date: Feb 2009 Location: 20 miles southeeast of downtown Sacramento
Posts: 2,373
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06-20-2010, 12:27 PM
| #9 | |
| Rock Crawler Join Date: May 2007 Location: floriduh
Posts: 522
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Idk, I have never broke a gear in my trans, stock or metal, even with the same setup, but on 3s, and you know I'm not easy on mine. | |
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06-20-2010, 03:58 PM
| #10 |
| Shelf queen  Join Date: Aug 2008 Location: Internet
Posts: 5,857
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The stock plastic case is probably warping under load. Try a metal case like the VP and/or a slupper clutch
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06-20-2010, 04:58 PM
| #11 |
| Quarry Creeper Join Date: Feb 2010 Location: melbourne
Posts: 215
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Where should i look for a good aluminum case i dont want some cheap knock off this tranny is already costing me to much as it is...thanks guys
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06-20-2010, 05:02 PM
| #12 | |
| I wanna be Dave Join Date: Oct 2007 Location: Scumrise, Flooriduh
Posts: 5,181
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06-20-2010, 05:02 PM
| #13 |
| Quarry Creeper Join Date: Feb 2010 Location: melbourne
Posts: 215
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Yeah i guess im going to have to get a new case and i thibk it would be a good idea if i went back to a slipper clutch might be to much direct power
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06-20-2010, 07:12 PM
| #14 |
| I wanna be Dave Join Date: Mar 2007 Location: roland,ar
Posts: 5,981
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slipper is a must,if your running a brushless. when you reassemble the case,how tight do you tighten everything down? me and ashton have discussed this,if you tighten 1 screw more than the other 2, you'll get a wobble in your gears,which would mean one side of the gear is touching and the otherside is just barely there,and if you hit the throttle when its on that weak wobble(especially with the veli) BAM!-stripped or broken gear. you can spin your spur and check and see if you have the "wobbles". just go thru the screws to see which one is causing the wobble. fixed my problem. hope it helps. |
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06-20-2010, 09:33 PM
| #15 | |
| Quarry Creeper Join Date: Feb 2010 Location: melbourne
Posts: 215
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06-20-2010, 11:48 PM
| #16 |
| Newbie Join Date: May 2010 Location: Surrey
Posts: 7
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GH also makes an aluminum tranny case. I have used their products in my slash and revo with great success. I will probably be picking up a GH tranny as well. Just need to try out might crawler before I start making anymore changes. |
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06-21-2010, 09:10 AM
| #17 |
| I wanna be Dave Join Date: Feb 2009 Location: 20 miles southeeast of downtown Sacramento
Posts: 2,373
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I ran the GH case without problems (did have to do a little filing to get the hurtz dig to fit right) before the Vanquish case came out.
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06-21-2010, 10:25 AM
| #18 |
| I wanna be Dave Join Date: Mar 2007 Location: roland,ar
Posts: 5,981
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in theory it shouldnt being made of alum but ive never tried one out,but if you were gonna swap out cases,id try the lcg tranny.  SCP38X01 $68.88 6061 Alum Low CG gear box AX10 looks good,i dont know if anyone has tried it or not?? |
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06-21-2010, 10:29 AM
| #19 |
| Newbie Join Date: Apr 2010 Location: British Columbia
Posts: 10
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i use to strip the same gear alll the time. i still run the stock case with no issues, and boy do i run it hard lol. the problem is those stupid plastic gears which cant take the load try these. http://www.robinsonracing.com/catalog/scorpion.html i run them with my 45t brushed motor and my other buddy runs them on his novak goat brushless, not a single issue since we switched. my worst problem now is i keep breaking the damn drive shaft. time to upgrade lol |
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06-21-2010, 10:39 AM
| #20 | |
| Newbie Join Date: Apr 2010 Location: British Columbia
Posts: 10
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