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11-29-2009, 08:48 AM
| #1 |
| Rock Stacker Join Date: Oct 2008 Location: Ottawa Canada
Posts: 65
|  Burning motors any thoughts?
I have burn 4 motor in 24hrs.... 2 integy 35ts, 1 novak 45t, and 1 axiom 65t. Freshly rebuilt drive line, no binding. 18t pinion and 87t spur, 5lb truck, with mip drive shafts. Tires are only badlands, and un weighted rims... Mamba Max ESC, 7.4v lipo, spektrum 3 channel, and 7955 servo. Any ideas as to why my motors are running 180 degrees the melting? |
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11-29-2009, 08:54 AM
| #2 |
| MODERATOR™   Join Date: Jul 2004 Location: Ohio
Posts: 18,928
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What truck?
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11-29-2009, 10:49 AM
| #3 |
| I wanna be Dave Join Date: Oct 2008 Location: I miss Rowdy
Posts: 2,238
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Not really sure how to set up the MM ESC but is it correctly hooked up?? It is a brushless esc and I know you can run brushed motors on them, but don't know if there is a special way to hook em up.
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11-29-2009, 11:19 AM
| #4 |
| I wanna be Dave Join Date: Dec 2008 Location: Madrid, IA
Posts: 2,015
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the esc wouldnt cause that. my only guesses would binding or ur pinion/spur mesh is to tight. or just really bad motors
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11-29-2009, 03:11 PM
| #5 |
| I wanna be Dave Join Date: Feb 2009 Location: 20 miles southeeast of downtown Sacramento
Posts: 2,373
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18/87 is pretty tall gearing. Working the motor pretty hard crawling is my guess. Try 14/87 and see how long they last.
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11-29-2009, 04:37 PM
| #6 |
| Rock Stacker Join Date: Oct 2008 Location: Ottawa Canada
Posts: 65
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The mamba is set up bang on. The drive line is all axial. I've never had a problem with it on 3 cell lipo or even 10cell nimh so I am so confused....
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11-29-2009, 06:20 PM
| #7 |
| Quarry Creeper Join Date: Jul 2008 Location: Erin, Ontario, CANADA
Posts: 471
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Check that the skirt on your axle hexes clears the outer axle bearing face. I had a couple of hexes once where the slot for the cross pin was too deep, causing interference when the wheel nut was tightened down. Narly1 |
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