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01-28-2009, 08:35 AM
| #1 |
| Newbie Join Date: Oct 2008 Location: Austria
Posts: 7
|  Which motors for killer krawler Hello freaks, i bought an killer krawler kit and now i need two motors! Brushless systems are a bit to expensive for me so i want to try brushed motor. I really dont know which motor is the best for the crawler, some common 540 crawlermotor (which turn?) or cobalt puller 7 or 500... Do you have any idea? Some specs: Gear ratio: 30:1 tyre diameter: ~7" (maybe later some bigger) ESC: Tekin Fx-r pro Thanks Last edited by Karotte; 01-28-2009 at 02:10 PM. |
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01-28-2009, 08:39 AM
| #2 |
| Rock Crawler Join Date: Jun 2008 Location: Mudville
Posts: 547
| i think its supposed to take 550 cans. so emaxx motors may be the way to go. the more turns the slower it ll turn. |
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01-28-2009, 03:48 PM
| #3 |
| Newbie Join Date: Jan 2009 Location: Rohnert Park
Posts: 43
| Motors I am building one too, if you need any building assistance we have 2 detailed builds on RC4WD Forum - check it out! I really like the JP Customs Crawl Max Motor 45T with the Tekin FXR Pro. This Motor uses a CheckPoint can and has a very nice linear power band  . You will find that everyone has an opinion with motors and everyone is right, no one is wrong. Motors are very personal, so get a nice motor, try it out, if it does not work for your driving style eBay it. Then buy a different Motor after you post what you liked and did not like - then we can direct you better to your next motor. If you stick with the JP Custom Motors, you just can not go wrong. I have not been unhappy with a single one of JP's motors.If that combo is too much money, then try the Tekin FXR T45 ESC/Motor Rock Crawling Combo for about $123.00 - I think they make this combo in 35T, 45T and 55T. The difference between the Tekin Motor and the Crawl Max is the bottom end and the power band. The Tekin will be a bit on and off with the power band while the Crawl Max Motor is silk smooth all the way to the top. Again, this is my opinion with my experience and my driving habbits. Many others on this forum are far more experienced and will have a different opinion. Enjoy the build! |
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01-28-2009, 03:57 PM
| #4 | |
| Newbie Join Date: Jan 2009 Location: Rohnert Park
Posts: 43
| Quote:
http://tracgear.com/manual/EquipmentNeeded.pdf although you are correct 550's will fit. | |
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01-28-2009, 04:03 PM
| #5 |
| Tech Addict   Join Date: Feb 2007 Location: BFE, NV
Posts: 1,176
| 2 of the HH Cobalt Puller 7t's should do the trick. Pack plenty of battery in there to push em |
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01-28-2009, 06:14 PM
| #6 |
| Newbie Join Date: Oct 2008 Location: Austria
Posts: 7
| What you mean to 2 cobalt puller 500? I think the cobalt puller 7 is too fast for my built! Any experience for the 500er? |
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01-28-2009, 06:22 PM
| #7 |
| owner, Holmes Hobbies LLC   Join Date: Nov 2004 Location: Volt up! Gear down!
Posts: 14,854
| The cobalt 500's are too small. The 7t would be just right, although a bit fast on higher voltages. Not much faster than a normal 35t though. |
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01-29-2009, 02:12 AM
| #8 |
| Newbie Join Date: Oct 2008 Location: Austria
Posts: 7
| Thanks john! I think i have the answer of my question... I only need two of the cobalt 7t motor, when are the available? |
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01-29-2009, 01:05 PM
| #9 | |
| Newbie Join Date: Jan 2009 Location: Rohnert Park
Posts: 43
| Quote:
http://www.jpcustomrcs.atomicshops.c...86/5254837.htm 15.9 at 7V and available in 7 days after ordering. Although John makes great motors. Can not go wrong with either company. | |
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01-29-2009, 05:18 PM
| #10 |
| Looking for scale goodies   Join Date: Dec 2006 Location: In Cali.
Posts: 4,053
| Two 55 turns seem fine. A Monster Max or a Mamba Max would work great too. |
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