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Old 10-30-2006, 03:25 PM   #1
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Motor Maintenance

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For brushed motors, anyone know a link or a good site on how to maintain them? I have a couple really good motors that i like alot, but they just dont have any juice left in them. I'v put new brushes in them (thats really the only thing i know how to do with brushed motors), and they dont have near the power and torque they used to have. Would getting the comm lathed (sp?) help or make that big of a difference? Any suggests or tips would be greatly appreciated. I dont want to see two really good motors go to waste. One is an Orion Element (the green one) and the other is a Trinity Komodo Dragon Pro, which used to be able to keep up to 15t motors.
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Old 10-30-2006, 03:31 PM   #2
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Without cutting the com you have not done your motor any favors.It should be cut regularely and your brushes should be inspected for discolouration after every run.Some is normal but very dark or over 1/3 of the way up it isn't a good sign.Hopefully someone your way can help you out.It really isn't something that can be adequately discribed over the net.Kind of like how cherry pie tastes on here!
If you're not having fun you're doing it wrong!
Knowledge is power;hand eye cordination is a different issue!
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Old 10-30-2006, 03:34 PM   #3
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I would hardly qualify myself as an expert but I have been having good luck (I think?) by doing the following:

1. Flushing the brush dust out with electronics contact cleaner ( the plain stuff with no lube in it) after every 4-8 runs (Interval depends on how lazy I am feeling! LOL).

2. Replacing the brushes and re -cutting the comm when I can't clear the double any longer!!

I figure I have a lot more driving skills to aqquire before I need to do anything fancier!!!

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Old 10-30-2006, 08:58 PM   #4
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If you've noticed dramatic power loss then you are most likely due for a comm cut. Recutting your comm and some new brushes will definitely bring it back to life. I can cut your comm for you next time if you still need.

If you want to learn some more about motors read this during the off season

R/C Motor Black Book:
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Old 10-31-2006, 02:13 PM   #5
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Thanks guys, that really helps. Looks like i need the comm cut to get the juice back that i had before.
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