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09-24-2004, 06:15 PM
| #1 |
| Rock Stacker Join Date: May 2004
Posts: 53
|  Series or Paralle I was wondering what people are running on the clods when they wire there motors, Series or Paralle ? This would be running a Super Rooster? |
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09-24-2004, 06:25 PM
| #2 |
| 06 Super National Champ   Join Date: Jun 2004 Location: Tennessee
Posts: 10,268
| Re: Series or Paralle Parallel |
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09-24-2004, 06:30 PM
| #3 |
| Rock Crawler   Join Date: May 2004 Location: Calgary
Posts: 843
| Re: Series or Paralle I run parallel on my Clod axle crawler. If you run a clod, you can use this set-up to slightly favor the rear wheels (run the power there first from the ESC, and then to the front) and help to stop the ever anoying motor stall problem. If it's for a shafty............I dunno. I'm actually building one now, and was toying with the idea of running them in series. I figure the longet run times and higher torque would be cool............and with duel motors running to one tranny (through gear reductions in this case...), I don't know if you'd ever have to worry about stalling. Anyone tried this, or have thoughts/opinions? |
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09-24-2004, 07:23 PM
| #4 |
| Quarry Creeper Join Date: Jul 2004 Location: In the shop terrorising the cat with the heli.
Posts: 386
| Re: Series or Paralle bRIBEguy is correct. Run from your speed controll to your rear motor first then long wires from your rear motor to your front motor. I run this setup on digger and have yet to have a motor stall. |
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09-24-2004, 09:15 PM
| #5 |
| Rock Stacker Join Date: Aug 2004
Posts: 96
| Re: Series or Paralle Parallel. |
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09-25-2004, 01:55 PM
| #6 |
| Quarry Creeper Join Date: Aug 2004 Location: HP lounge
Posts: 302
| Re: Series or Paralle I run my Clod's silver cans in parallel, but I'm not a full blown crawler yet. I wired the rear first because I heard it was "better," but never knew there was a specific reason for it.  |
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09-25-2004, 02:22 PM
| #7 |
| Rock Crawler Join Date: May 2004 Location: Calgary
Posts: 843
| Re: Series or Paralle So going back to the other side.....................are there any shafties running series to dual motors? |
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09-26-2004, 03:53 AM
| #8 |
| Rock Stacker Join Date: Aug 2004
Posts: 59
| Re: Series or Paralle I run p2k2 pro's in series with 9 tooth pinions and a robinson 78tooth spur on my E and i dont have any real stall issues even with kongs. I would like to be a bit lower though, that would guarantee no stalling. |
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09-26-2004, 09:03 AM
| #9 | |
| 06 Super National Champ Join Date: Jun 2004 Location: Tennessee
Posts: 10,268
| Re: Series or Paralle Quote:
Parallel is parallel. Current still takes the path of least resistance. As the load on a motor increases, the resistance increases and more current will go to the motor with the least load...usually the front. I've heard people say that if you run a "Y" from the ESC to the motors it helps, running from ESC to rear to front helps, etc. The bottom line is parallel is parallel. Voltage is constant, current is additive, and current still takes the path of least resistance. Electrons don't know (or care) where they're "supposed" to go first, they just go where it is easiest. | |
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09-28-2004, 06:57 PM
| #10 |
| Rock Crawler Join Date: May 2004 Location: Calgary
Posts: 843
| Re: Series or Paralle This is true. Of course, a length of wire imposes a load also. I believe the idea of wiring to the back motor first is so you have a shorter electrical path there then you do to the front motor. Shorter wires to the back equals less electrical resistance, and as such could allow the rear motor in a clod to see a slightly higher amount of power. Yes, in a "stall" situation the electricity will run to the overall path of least resistence, but running rear first then front allows for a system that inheirently biases that path (even if ever so slightly) to the rear. In theory, this could be excentuated further by running a lower gauge wire to the rear motor (i.e. 10ga), and a higher gauge to the front (14ga). Would it make a huge difference? Probably not. Would it make any difference? Likely. I say any trick that could work, is at least worth a try. Esspecially when us clod-axle boys are up against the eternal 4 wheel churning of the shafties (this of couse is pure speculation as I'm pretty sure I'm alone in the Calgary, Alberta, Canada crawling world). Ya. |
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09-29-2004, 05:02 PM
| #11 |
| 06 Super National Champ Join Date: Jun 2004 Location: Tennessee
Posts: 10,268
| Re: Series or Paralle The difference in resistance between the length of wires is so minute it won't make a difference. It'll still show as a short, practically 0 ohms. At that low of a resistance more of the reading you see on the meter (talking about thousandths and ten-thousandths of an Ohm) will be from the connection between the leads and the cable rather than the cable itself. The rear motor stall is just the nature of the beast with a Clod. |
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09-29-2004, 05:08 PM
| #12 |
| Rock Crawler Join Date: May 2004 Location: Calgary
Posts: 843
| Re: Series or Paralle "The rear motor stall is just the nature of the beast with a Clod." Sadly it's true..................and while I love my clod-crawler, the possibility of never stalling has forced my twisted mind to start work on a second crawler...............a super basterdized shaftie with all kinds of savage/emaxx/revo/custom parts. It's a few months off still.........but soon I'll join the realm of shaft drive. Soon............. |
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03-27-2005, 07:31 PM
| #13 | |
| Pebble Pounder Join Date: Jan 2005 Location: Newmarket, Ontario, Canad
Posts: 163
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12-22-2005, 01:46 AM
| #14 |
| Pebble Pounder Join Date: Dec 2005 Location: Knoxville
Posts: 169
| why not put a resistor at the front motor |
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12-22-2005, 02:06 AM
| #15 | |
| Quarry Creeper Join Date: Aug 2005 Location: Crawlorado
Posts: 333
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12-22-2005, 02:16 AM
| #16 |
| RCC Addict Join Date: May 2005 Location: Roy/Eatonville, WA
Posts: 1,128
| 55T lathe on a supercrawler shaftie is all i've ever seen needed. |
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12-22-2005, 03:18 PM
| #17 |
| TEAM MODERATOR  Join Date: Jul 2004 Location: Chit Chat
Posts: 14,100
| Even though this thread is from 9/04!!!!, I can add to it with this: Two motors in series on a TXT is pretty sweet.  Two 27 turn motors in series out-powered a single 55 turn motor, and run times were VERY similar. But, having two motors mounted as high as they are in the TXT was not so sweet. And a resistor on the front motor in a Clod seems goofy. I used two different pinion sizes. And will be trying two different motor winds when it ain't so freaking cold! |
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12-22-2005, 03:37 PM
| #18 |
| Rock Crawler Join Date: Nov 2005 Location: Oak Ridge
Posts: 599
| What about a large capacitor on the rear motor wires? Just kidding  I've read some clod owners have started to use two speed controls in their clodbusters. Does that eliminate the motor stall? |
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12-22-2005, 09:00 PM
| #19 |
| Quarry Creeper Join Date: Oct 2004 Location: Hopkinsville
Posts: 494
| Talk about bringing back the dead!  I have been running a clod since my intro to crawling, and I have also dabbled in the shafty world a little. Here's my take on clod stall. I think Clod stall is great. I think when used properly it's a real advantage against a shafty, mainly in climbs. The stall during a climb allows my front wheels to dig around a little until they hook up without the rear tires hitting the obsticle and flipping the rig over backwards. example A little pebble at Green River Heavy |
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12-22-2005, 11:09 PM
| #20 |
| owner, Holmes Hobbies LLC  Join Date: Nov 2004 Location: Volt up! Gear down!
Posts: 14,854
| I think the clod stall is useful, but very infuriating at times. The best way I found to control it was simply two esc's. I run (ran) my clod motors in parallel. |
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