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Old 10-14-2003, 11:28 AM   #16
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thanks pops
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Old 10-14-2003, 11:29 AM   #17
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Tag sorry the MVP is NOT epic or trinity based.
The MVP is yokomo based for Reedy in the US.

Here's some info for you.
Yokomo builds for Reedy In america
Atlas builds for Integy in america
Epic builds for Trinity in America
Corally is Corally just imported.
Top Builds for Orion/Peak.

Top,Corally,yokomo and atlas are from the same factory.They use different parts but built by the same company.

Epic is made elsewhere.

For a monster stock and onroad try putnams.For offroad I like the Reedy's Better.

For a MVP use 766's with the brush face narrowed like a standup.

Hope this info helps.
If you wanna reduce wear when using Putnam Brushes.Try Tribo lubricant.It wont hurt power and extends comm and brush wear.Good on bearings and bushings as well.
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Old 10-14-2003, 02:02 PM   #18
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I use reedy 767's on my monster stocks, p2ks, chameleon 19t, and my element 19t. I have no problem getting good power out of them and you can get quite a few runs on them, especially in stock.
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Old 10-14-2003, 04:26 PM   #19
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Quote:
Originally posted by TC321go
thanks for the great response guys

Bubblestc3:
The motor I'm looking to use is the Monster Pro...

Any further thoughts on springs for the putnam greens?? Do Generally stiffer or weaker springs work well? (I know this is track dependant - just wondering what you've found works in touring car stock?...)

again, thanks for your help!

ok, what i have fund in some testing, and from what racers have told me is that the stiffer the spring the more torque.

the softer the spring the more rpm

same with the brushes, the more surface that is in contact with the comm, the more torque

the less surface that is in contact with the comm, the more rpm

from what i have heard about the putnams, is that they are good, but i have never tried them. I usually run orion, trinity, or reedy in my monster.
i have found that when you are running the orion's you would need to run a little softer springs to get the performance out of them.

with the reedys and the trinitys, i use the same springs for each brush, on fast open tracks i run maybe red/black. on medium tracks, i might run red/green, on tight and twisty tracks where punch is despratley needed, i like to run purple/red

but it is all about gearing, more than the brushes, to make sure that the motor does not get over heated, and keeps it's cool

orion: sprints
reedy: 767s
trinity: 4505s
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Old 10-14-2003, 04:39 PM   #20
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where can i get these Putnam brushes?
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Old 10-14-2003, 05:16 PM   #21
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thats exactly what i've been thinking.
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Old 10-14-2003, 05:59 PM   #22
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www.rc4less.com has the Putnam brushes.
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Old 10-14-2003, 07:05 PM   #23
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Another brush to try is the "Gold" brush from Hurricane Motorsports. Out of all the brushes that I have run in stock motors these are the best IMHO. You can check them out at www.TeamHurricane.net

They also have some of the best com drops for stock motors too.
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Old 10-14-2003, 08:26 PM   #24
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when you guys say runs, do you mean like one heat? would that be conisdered one run? thanks, just wondering when to replace brushes/cut comm, i'm looking into getting a lathe. thanks for the help.
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Old 10-14-2003, 08:43 PM   #25
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TC3Racer67 - Yer generally just a 5 minute heat.
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Old 10-14-2003, 08:49 PM   #26
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thanks
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Old 10-15-2003, 12:09 PM   #27
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I generally will cut a stock motor after about 7-10 runs. If you wait too long than there will be a lot of wear on the comm and you will have to cut off quite a bit so the comm is nice and smooth again.
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Old 10-15-2003, 12:51 PM   #28
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Quote:
Originally posted by popsracer
I'm getting about 12 runs between Com cuts, and re-serrate in between.
Pops,

What kind of serrater do you use and what is your Technique. Are there any diagonal serrators out there yet?

Coop
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Old 10-15-2003, 04:29 PM   #29
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gcooper;

I am using the serrator by Pro-Match availible from KT Hobbies

I reserrate between race days and can usually get up to 24 runs out of a Pair of Putnam's before they are noticably shorter (1/16" ?)., so about 2 rebuilds worth. Just follow the serrator instructions for the technique. It usually only take a few seconds for each Brush and they don't even need to removed from the Hoods.
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Old 10-15-2003, 04:36 PM   #30
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Default Diagonal Serraters?

Guys;

Quote:
Are there any diagonal serrators out there yet?
Good point, but after thinking about it, I don't thing traditional serrating methods (spinning cutter) can be used to achieve diagonal serrations.

Any modern day Machinist's out there care to comment ?
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