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10-28-2008, 12:31 AM
| #1 |
| Rock Crawler   Join Date: May 2007 Location: Salt Lake City
Posts: 977
|  Question about berg stall/dig.
Question about berg stall or clod stall as they call it. I noticed when I conected my dig switches I located it at the rear of the chassis and that makes the wires to the rear motor significantly shorter than the ones going to the front motor. If I barley give it power the rear wheels turn first. Will this affect my climbibg ability? How do you guys do it?
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10-28-2008, 12:54 AM
| #2 |
| I wanna be Dave Join Date: Sep 2005 Location: USA
Posts: 11,196
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What Pinions are you running? How do you have your Motors wired?
Last edited by run2jeepn; 10-28-2008 at 01:13 AM. |
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10-28-2008, 01:01 AM
| #3 |
| Holmes Hobbies   Join Date: Jan 2007 Location: No Where
Posts: 2,751
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That the general placement of a dig switch.In some cases I guess that the rear axle moving first might be a bad thing but so far there's been no neg. talk of it.Now,do you have a bigger gear in the front or the same at both ends?I have a 13 in the front and a 12 in the in the rear so if it causes mine a problem I will swap them.  |
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10-28-2008, 01:05 AM
| #4 |
| TEAM RCC  Join Date: Jul 2006 Location: Novato
Posts: 1,493
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i would like to know about this as well. im runnig a FXR an two 45T motors an having the same prob.
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10-28-2008, 01:15 AM
| #5 |
| I wanna be Dave Join Date: Sep 2005 Location: USA
Posts: 11,196
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Try Wiring your Front motor First. Then Wire your Rear Motor off the Front motor. This will allow the Front motor to get power First.
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10-28-2008, 01:17 AM
| #6 |
| TEAM RCC Join Date: Jul 2006 Location: Novato
Posts: 1,493
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thanks ill try that
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10-28-2008, 04:48 AM
| #7 |
| Quarry Creeper Join Date: Apr 2008 Location: Eau Claire
Posts: 201
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I also found it makes a difference if the motor is running backwards. I make sure my front motor is wired positive to positive and then I reverse the rear motor. Im running a FXR and 35Ts and have no problem, the only complaint I have is when I went from 55t to 35ts I lost a lot of my drag brake. Im also running the 12t pinion front and rear.
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10-28-2008, 05:34 AM
| #8 |
| MODERATOR™   Join Date: Jul 2004 Location: Ohio
Posts: 18,928
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It wasn't very long ago people were wiring their rear motor first, then to the front motor to help alleviate the Clod stall. Having slightly more power to the rear wheels is a good thing if you're trying to reduce the stalling. Personally, I'd leave it alone. |
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10-28-2008, 06:49 AM
| #9 |
| Rock Crawler Join Date: Jul 2007 Location: central PA
Posts: 679
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This has been one of my unsure questions seeing how Im in the middle of a Berg build. at this point, I really dont have any worries about it. I will wire the dig switches up centered in the Zero elecs plate. |
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10-28-2008, 07:11 AM
| #10 |
| Newbie Join Date: Aug 2005 Location: SF
Posts: 40
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Also make sure the gear mesh is set correctly. It could make a noticable difference.
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10-28-2008, 07:37 AM
| #11 |
| Quarry Creeper Join Date: Aug 2008 Location: Yuma
Posts: 211
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I would find it hard to believe that 6' vs. 4" of wire would make a noticeable difference. Maybe 6 feet vs. 4". And that would just be a maybe. I would think the difference in motors themselves in that they most likely do no have the exact same resistance curve , gear mesh and friction would be a bigger influence
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10-28-2008, 08:08 AM
| #12 | |
| RCC Addict  Join Date: Oct 2005 Location: Trussville, AL
Posts: 1,762
| Quote:
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10-28-2008, 09:15 AM
| #13 |
| I wanna be Dave Join Date: Sep 2005 Location: Dirty South
Posts: 4,064
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Stall the 50th wonder of the world . :-P
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10-28-2008, 11:05 AM
| #14 |
| I wanna be Dave  Join Date: Apr 2005 Location: Vegas
Posts: 7,172
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Check your motor can timing. Sometimes after running a little the rocks rubbing on the cans can move the top if it is not tight. Happened to mine and after tightening them I have not had any issues. |
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10-28-2008, 11:23 AM
| #15 | |
| no talent hack Join Date: Feb 2007 Location: Redwood City
Posts: 2,479
| Quote:
leave it that way on your truck, the front is geared higher then the rear. it will stall on climbs, but feel much more controllable | |
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10-28-2008, 11:33 AM
| #16 |
| TEAM RCC Join Date: Jul 2006 Location: Novato
Posts: 1,493
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cool thanks i will
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10-28-2008, 01:08 PM
| #17 | |
| Rock Crawler Join Date: May 2006 Location: Georgia
Posts: 876
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10-28-2008, 02:50 PM
| #18 |
| RCC Addict Join Date: Jun 2008 Location: Wasilla
Posts: 1,304
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i wired my moa rig to the diagram that everyones useing on here with the 2 dpdt radio shack switches both are running the same pinions. and my stall is unbearable to the point i dont even want to run the moa rig... you can see an example in the alaska state champ video on the vcideo section. its so bad that sometimes it will just set there with the front tires spinning and the back tires not going anywhere to never enguage and not make it up what i want... im about to the point im just going to run 2 esc's..... or sell it... deffinatly not something i want to just "live" with... - tre |
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