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05-29-2014, 09:41 AM
| #1 |
| Rock Stacker  Join Date: Apr 2012 Location: Arundel ME.
Posts: 88
|  Over heating problem! Help.
I put a fantom 27t stock race motor in a stock scx10 with stock gears And a AE-2. While crawling the motor and speed control got really hot, smelt burning. Would gear down stop or help the over heating? And what gearing would u suggest?
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05-29-2014, 10:18 AM
| #2 |
| Quarry Creeper Join Date: Aug 2012 Location: Anchorage
Posts: 254
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Is it geared 5:1? The big number divided by the little  27t was too fast for my ridgecrest to crawl so I'm guessing that's a big contributor also. I'd suggest 35t for dedicated crawl, 30t for a little crawl and more trails, 27t or lower for trails and bash. But mostly make sure for motor temps run a 5:1 ratio spur/pinion or lower, ie: 6:1 |
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05-29-2014, 10:20 AM
| #3 |
| Quarry Creeper Join Date: Aug 2012 Location: Anchorage
Posts: 254
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Was this on 3s or 2s? And make sure there are no binds. Pinion mesh on motor, and wheels tires not rubbing anything, drivelines at bad angles binding. |
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05-29-2014, 11:41 AM
| #4 |
| Rock Stacker Join Date: Apr 2012 Location: Arundel ME.
Posts: 88
| Re: Over heating problem! Help.
Gearing is 87/20=4.35 2s. Only binding is new axle house and ring and pinion alittle tight. I figured it would brake in.
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05-29-2014, 12:13 PM
| #5 |
| I wanna be Dave Join Date: May 2007 Location: Taylors Falls just hanging with the MNRCRC crew.
Posts: 7,843
| Re: Over heating problem! Help.
Gear it way down.
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05-29-2014, 12:58 PM
| #6 | |
| RCC Addict Join Date: Sep 2011 Location: Beavercreek, Oregon, USA
Posts: 1,950
| Re: Over heating problem! Help. Quote:
I would also take the axle apart to see if can find the cause of the binding. You should be able to turn the input shaft of the axle and have the axle turn with very little resistance. If it is hard to turn, then you will cause heating problems for you motor. | |
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05-29-2014, 05:37 PM
| #7 |
| Rock Stacker Join Date: Apr 2012 Location: Arundel ME.
Posts: 88
| Re: Over heating problem! Help.
ok thanks everyone.
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