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Old 10-25-2005, 06:36 PM   #1
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Red face Monster Stock Rebuilds

How often do you guys rebuild your monster stocks? Just curios what everyone does to stay competitive.
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Old 10-25-2005, 07:13 PM   #2
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It depends on a lot of things,IE:type of brushes you run,type of racing you do and at what level you race or are racing.For club level racing I would say once a week for a big event I would say every round or so.
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Old 10-25-2005, 07:16 PM   #3
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For club racing I usually run a motor for 1 short practice, both heats, and then the main. Then I cut the comm and put in new brushes for the next race weekend. I also have another motor I use for all of my practice time so I don't put laps on the other one. At state races I cut the comm and replace brushes after every race run, at these types of races a couple secs can be the difference between the A main and the B main.
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Old 10-25-2005, 07:29 PM   #4
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Quote:
Originally Posted by polesitter61
At state races I cut the comm and replace brushes after every race run, at these types of races a couple secs can be the difference between the A main and the B main.
You're not kidding
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Old 10-25-2005, 07:35 PM   #5
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I have only been rebuilding mine as needed. Today for insatnce I trued the comm on a motor that was new three weeks ago. That motor had three weks of racing on it. 3 qual, 1 main a week plus 3 practice runs a day(5-10min/run), plus one day of a ton of practice (5 packs in rapid succession til dumped). Needless to say it was slowing down.

That being said the brushes had no visible wear other than on the serrations, which could still be seen. The comm was blackend some. I trued the comm, cleaned everything and reassembled.
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Old 10-25-2005, 07:35 PM   #6
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ive went from every race to once a month...at national events i did it every run(excvpet practice) local 20ish runs is fine for me
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Old 10-25-2005, 08:01 PM   #7
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Is it just me or are people in Florida crazy? Down here we, I include myself in this, are cutting comms after every run or two runs at a freakin club race.
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Old 10-25-2005, 08:44 PM   #8
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Definitely crazy. I bought a Monster 4 months ago and have yet to replace the brushes. I have cut the comm once. its down to .297 now I think. Sure the serrations are gone and it probably doesn't run anywherer near as strong as it did when I bought it. But I race rookie and if I avoid the boards twice then I have made up the time I would have gained by doing all that friggen maintenance that I hate to pay for. All I do it break teh glaze on the brushes and com with the green stick thing after every four 5 minute races, use a motor spray soaked q-tip to clean the com and the brush hoods, and then reoil and I stay happy.
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Old 10-25-2005, 08:49 PM   #9
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At my local track there is some really stiff competition and I rebuild a few times a day also. If you dont your left behind.
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Old 10-25-2005, 08:55 PM   #10
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Quote:
Originally Posted by L.Fairtrace
At my local track there is some really stiff competition and I rebuild a few times a day also. If you dont your left behind.
Yeah exactly. Constant rebuilds have just become a normal thing for me
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Old 10-25-2005, 09:07 PM   #11
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every run the com is cut...clean the brush face with a com stick..
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Old 10-25-2005, 09:29 PM   #12
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Perhaps a bit of subject, but- what is the opinion of racers out there concerning the brushless systems? I ask this in light of the whole re-build issue. Why? because the more I think about it, the more it seams appealing. At first the price threw me off,but considering how much it costs to stay "competitive" it makes since. I race when I can, and when I do I know I will inevetiably get out-sped on the straight because I dont own a(not-so-cheap) lathe, cant replace the brushes every 1-2 runs, cant afford a new motor on a frequent basis due to cutting the com so much, not to mention a dyno to squeeze everything out in performance. Ofcourse I know tuning is an art-form of sorts, but I cant help but think that a brushless motor eventually pays for itself.
---This is just opinion/speculation from a guy that works on a budget, not the start of an argument. I dont wish to stir up any controversy about the opinions of Trinity vs. Roar, ect.
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Old 10-26-2005, 12:53 AM   #13
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Quote:
Originally Posted by nf_ekt
Perhaps a bit of subject, but- what is the opinion of racers out there concerning the brushless systems? I ask this in light of the whole re-build issue. Why? because the more I think about it, the more it seams appealing. At first the price threw me off,but considering how much it costs to stay "competitive" it makes since. I race when I can, and when I do I know I will inevetiably get out-sped on the straight because I dont own a(not-so-cheap) lathe, cant replace the brushes every 1-2 runs, cant afford a new motor on a frequent basis due to cutting the com so much, not to mention a dyno to squeeze everything out in performance. Ofcourse I know tuning is an art-form of sorts, but I cant help but think that a brushless motor eventually pays for itself.
---This is just opinion/speculation from a guy that works on a budget, not the start of an argument. I dont wish to stir up any controversy about the opinions of Trinity vs. Roar, ect.
I'm just a rookie myself, but if there was a brushless sportsman class, I'd be there in a heartbeat. By the time you add up the cost of all the equipment and supplies necessary to tune a $30 stock motor for one season, you have pretty much paid for a brushless system.

On top of that, I have enough hassles just trying to get my chassis dialed in, practicing and improving my driving, working out gear ratios, considering tire temperature ranges, etc. I'd gladly pay extra to remove some of the extra complexity, like motor tuning. Thus, brushless would be a great option to simplify some of the motor stuff. Just lube and clean it on occasion and no more worries about cutting/truing a comm, aligning brushes, sanding brushes, replacing brushes, etc.

Sorry for the rant, but this hobby does get overwhelming for us beginners sometimes.

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Old 10-26-2005, 12:58 AM   #14
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I have news for you if brushless catches on and you dont think they wont make dynos and difference in the motors your crazy .. Its racing no one is ever gonna stop .. Same goes for lipos you dont think they wont match them your crazy..
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Old 10-26-2005, 02:49 AM   #15
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Quote:
Originally Posted by deedit
I have news for you if brushless catches on and you dont think they wont make dynos and difference in the motors your crazy .. Its racing no one is ever gonna stop .. Same goes for lipos you dont think they wont match them your crazy..

You can't "Match" a Lithium Polymer battery. You manufacture it.
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