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03-12-2014, 09:32 PM | #1 |
Newbie Join Date: Mar 2014 Location: Urbana
Posts: 8
| New Rubicon Saturday. Ruined it Sunday Greets. First post ever today. Glad I have you to count on for feedback--and plan on giving back as my account here matures. Here's my deal: Found out how to do massive wheelies with my new Rubicon (SCX-10). Mostly because I tried to fiddle with the ESC knowing nothing about how to set it--I managed to make it go super fast backwards, eliminated my drag brake and was left with lackluster forward speed--but I digress. I'm a dork, I know I thrashed something--it's going to cost me. But since I'm new to this powertrain system, I could really uses some advice from crawler "old-timers". Poppin' wheelies has resulted in regular forward action, but when gently nudge up against an obstacle and attempt to traverse it--the model shrieks from the transfer case area and largely does not move forward. And of course, as you might expect, it sounds like a 4-wheel coffee grinder everywhere it goes--louder in corners. Based on what I've described, what do you suppose I've done? I think I'll need to eliminate all the nylon / plastic'ish parts in my drive train so here are my questions: 1) It's an RTR, I'm a little skeered to take it apart I haven't set up a workbench (no room) yet, and as a noob, the fewer things I take a part the more likely they're to get back together. I'm looking for a consensus as to WHERE the problem MOST LIKELY is. Could it be in the pumpkins or just in the transfer case? _Just_ a pinion/spur gear, or deep in the transmission? 2) While I'm at it, what power-train upgrade would you recommend to eliminate this problem from happening again? I'll quit drivin' like a dork--cuz fixin' it is expensive, but I'd rather drive the way I wanna drive. Ideas here? 1000 domos my new friends. I appreciate you taking a few minutes to straighten me OUT. .-=Timmo=-. |
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03-14-2014, 07:36 AM | #2 |
Rock Crawler Join Date: Jan 2008 Location: Lehigh Valley, Pa
Posts: 768
| Re: New Rubicon Saturday. Ruined it Sunday
Well I would likely guess its probably transmission related, or maybe just the slipper on the spur gear being too loose. Easiest thing to do would be to pull the driveshafts from the trans and spin each axle and make sure they are good, but I am guessing they are probably fine, then you will know its the trans for sure. 4 screws and a few wire plugs gets the whole trans out for you, and removing the spur and taking 3 more screws out gets it opened up. Its most likely the plastic gears in there. Best bet would be to replace them with metal, like from robinson racing. good luck with your search, its not all that bad to pull apart and get back together. |
03-14-2014, 09:36 AM | #3 |
Rock Stacker Join Date: Oct 2012 Location: Mid Coast
Posts: 81
| Re: New Rubicon Saturday. Ruined it Sunday
Like said above, can't go wrong with those Robinson gears. Also if your in Urbana IL just cruise over to Tower or Horizion Hobbies, someone can help you out most likely. Also the guys at hotslots are super cool and they got a lot of fun stuff to play with!! I L L!! |
03-14-2014, 09:43 AM | #4 |
Scale Detail Engineering Join Date: Apr 2010 Location: Turtle Island
Posts: 5,573
| Re: New Rubicon Saturday. Ruined it Sunday
Most likely one of these 2... your best bet is to install both of them. Then think about MIP drive shafts if you want to keep hammering on it. I'm in IL also. Robinson Racing Outdrive Diff Lock Gear AX10/SCX10 Robinson Racing Hard Steel Idler Gear AX10/SCX10 |
03-14-2014, 09:45 AM | #5 |
I wanna be Dave Join Date: Aug 2004 Location: Tri-cities, WA
Posts: 4,831
| Re: New Rubicon Saturday. Ruined it Sunday
Odds are the idler gear in the trans went if the spur gear checks out. Drop in a metal gear from Robinson and don't look back.
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03-14-2014, 09:46 AM | #6 |
I wanna be Dave Join Date: Jan 2012 Location: CANADA
Posts: 2,648
| Re: New Rubicon Saturday. Ruined it Sunday
I say slipper clutch is loose for sure and you may also have damaged a tooth on the spur gear. You will have to take it apart an inspect.........no other way. Manuals can be found online at Axial. http://www.axialracing.com/products/...8/instructions http://www.axialracing.com/instructions Last edited by ZippoMan; 03-14-2014 at 09:50 AM. |
03-16-2014, 12:08 PM | #7 |
Newbie Join Date: Mar 2014 Location: Urbana
Posts: 8
| Re: New Rubicon Saturday. Ruined it Sunday
Thank you for your input gentlemen. I'm going to start with TGH's recommedations. I've since been shopping for replacement all metal solutions for the transmission although I have not YET pulled anything apart. I really think I wanna go all metal--as much as possible--with the exception of axle housings. I don't care to FINANCE my purchases..lol (VANQUISH--my bank account). |
03-16-2014, 05:20 PM | #8 |
Suck it up! Join Date: Mar 2008 Location: Arkansas
Posts: 11,652
| Re: New Rubicon Saturday. Ruined it Sunday
Don't be afraid to take it apart. You're going to have to learn how to do it sooner or later, might as well make it sooner.
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03-16-2014, 08:40 PM | #9 |
Pebble Pounder Join Date: May 2009 Location: Northern Virginia, USA
Posts: 128
| Re: New Rubicon Saturday. Ruined it Sunday
Plus you can just look at the exploded diagram to see how it all goes back together. Its a peice of cake.
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04-15-2014, 12:56 PM | #10 |
Newbie Join Date: Mar 2014 Location: Urbana
Posts: 8
| Re: New Rubicon Saturday. Ruined it Sunday
Thanks again for the suggestions and troubleshooting. Here's what I found: Oreo (spur) gear was in FACT ground up a little. Replaced it with an Axial replacement 88t. Checked the mesh and realized it "could be a little tighter", loosened the motor mounts and made a better mesh. THAT WAS WHEN I DISCOVERED that the drive gear grub screw was loose. That extra slack in the drive gear no doubt had been at the core of my problem from the start. Lesson learned: Perform a fitness check of your new RTR before you go out the first time--give a tender twist to any and all screws, and for GOODNESS sake make sure your drive gear is TIGHT on the motor spindle. I think I'll chalk this up as a NEWB lesson learned. NOW, if ONLY I could have kept it out of the puddle last weekend. Recommendations for a turn-key waterproof ESC for a 2012 Jeep Rubicon? |
04-15-2014, 01:15 PM | #11 |
Rock Stacker Join Date: Apr 2014 Location: Greenwich
Posts: 56
| Re: New Rubicon Saturday. Ruined it Sunday
also dont be afraid to use some medium thread locker on some of your hardware. i also check most of my harware every few runs just to make sure everyones still doing what they are supposed to. |
04-15-2014, 04:56 PM | #12 | |
I wanna be Dave Join Date: Jan 2006 Location: Corruptifornia
Posts: 12,107
| Re: New Rubicon Saturday. Ruined it Sunday Quote:
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04-15-2014, 05:45 PM | #13 |
I wanna be Dave Join Date: Aug 2004 Location: Tri-cities, WA
Posts: 4,831
| Re: New Rubicon Saturday. Ruined it Sunday
Castle SV3 is a nice reasonable cost waterproof esc.
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04-15-2014, 05:57 PM | #14 |
Newbie Join Date: Sep 2012 Location: United States
Posts: 12
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Yeap^ love mine and had it for close to year now with no problems. I run a Tekin 45t motor with it on 3s and it moves on! Sent from my iPhone using Tapatalk |
04-15-2014, 06:09 PM | #15 |
Pebble Pounder Join Date: Jan 2013 Location: DENVER
Posts: 164
| Re: New Rubicon Saturday. Ruined it Sunday
axial says the AE-2 Is water resistant, I've seen them work with no issues fully submerged in a few different trucks. save your money for now. You want to keep your receiver and other electronics free of water, put them in a Axial Wraith receiver box or a ballon kinda like this: Axial Racing - How to Waterproof your SCX10 (this was before they made the ESC waterproof, don't need to ballon that anymore.) Once you get more experienced as a builder I would suggest that you conformal coat your electronics. basically seal everything except the connectors on ALL the electronics pcb boards. Check out post #2 when your ready:Jeep JK TTC Last edited by WAFFLE; 04-15-2014 at 07:48 PM. |
Tags |
jeep, scx-10, scx10, transfer case, transmission |
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