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Old 11-21-2005, 11:19 AM   #1906
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Nathan, as soon as much more gives me an indication about whats in stock and gonna ship....so hopefully in the next couple of days...

TRF415boy, In the US, we don't really use the metric system, so I am not to faimilar with the MM measurements...

However, a Small comm motor, can usually go down to .270 (they start around .300).....a big com motor can go down to .315 (they start at .350)

Keep in mind, as your comm size goes down, the motor will lose torque and gain RPM....so, it may be necessary to adjust your gearing to compensate for the different power band of the motor.

I am not a big fan of the XXX brushes in big races in spec motors.....I would stick to the 767 or 4499 for a 19t c2...

Later EddieO
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Old 11-21-2005, 11:46 AM   #1907
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Ok....

Center-Cut armatures are on the site.....at this time, they are only available for Ti, V2, Checkpoint motors....trinity stuff later this week.

Also, our batteries are in.....this 2000 cell load is about 60% sold....so get on it! Order up or be left waiting another two weeks...

Later EddieO
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Old 11-21-2005, 01:30 PM   #1908
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Old 11-21-2005, 01:33 PM   #1909
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Quote:
Originally Posted by TRF415boy
Now the comm is 6.80mm at the moment, I suppose it must have been somewhere around 6.85 when i used it the week before.
6.80mm is as far as I take my motors. I think 6.80mm = 0.270" or very close to...
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Old 11-21-2005, 03:13 PM   #1910
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Quote:
Originally Posted by Jack2
6.80mm is as far as I take my motors. I think 6.80mm = 0.270" or very close to...
0.268"
2.54cm = 1in
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Old 11-21-2005, 03:30 PM   #1911
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Eddie,

Its Korgae, Did you get my email?

Give me a call.

Thanks
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Old 11-21-2005, 03:45 PM   #1912
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EddieO,
What brushed do you supply as standard with you 19 C2's? I was running the motor indoors at the same gearing as my mate at the weekend, but it just kept burning up. Any tips?
Cheers
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Old 11-21-2005, 04:30 PM   #1913
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767's are the standard brushes!
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Old 11-21-2005, 05:25 PM   #1914
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Hi Eddie,

It's 0.2675 in exactly right now, so i take it it'll be a club motor from now but won't be any good anywhere else.

Regarding XXXs, it worked really well with them the week before on a similar size track. Gearing wasn't the problem, if anything it was slightly undergeared and it still didn't pull out of the corners like it used to, and was reaching top speed mid straight.

So I guess I'll need a new C2. To be honest, I'm having a bit of struggle deciding what motor I prefer. The C2 gets very hot indoors, the Atlas is a no go with a one way, I'm yet to try a reedy quad, might well be what I need.
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Old 11-21-2005, 08:22 PM   #1915
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Crashmaster, usually 767 brushes....though we sometimes use 4499 brushes.....the 4499 has a smaller and finer serration....

I don't recommend copying gearing.....you can use it as a starting point, but spec motors often have different traits....I have seen the same two motors in the same two cars have up to a 6 tooth difference....gear the car to top out near the end of the longest straight....

Korgae, I got no email.....try sending again....


Later EddieO
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Old 11-22-2005, 12:17 AM   #1916
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Quote:
Originally Posted by TRF415boy
Hi Eddie,

It's 0.2675 in exactly right now, so i take it it'll be a club motor from now but won't be any good anywhere else.

Regarding XXXs, it worked really well with them the week before on a similar size track. Gearing wasn't the problem, if anything it was slightly undergeared and it still didn't pull out of the corners like it used to, and was reaching top speed mid straight.

So I guess I'll need a new C2. To be honest, I'm having a bit of struggle deciding what motor I prefer. The C2 gets very hot indoors, the Atlas is a no go with a one way, I'm yet to try a reedy quad, might well be what I need.
.2675 is pretty small!! If the comm hasn't delaminated, you may still be able to get some good fast runs out of it. You may need to narrow your brushes slightly to reduce all the overlap. Overlap helps make power to a point, then its too much shorting out.....

Try this:
Multiply the comm diameter by .510.
SO: .268 * .510 = .134 brush width.
The acctually formula calls for .5 for full brush wrap with no overlap, but I figure .51 to give just a tad of overlap should work. Haven't acctually done it myslef as I don't have any comms that small.
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Old 11-22-2005, 11:02 AM   #1917
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Quote:
Originally Posted by EddieO

Korgae, I got no email.....try sending again....


Later EddieO

Have you got any mail from me then? I'll send it again just in case.


//Henko
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Old 11-22-2005, 11:47 AM   #1918
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I heard something funny today....

That our center-cut armatures are nothing more than a copy of the DC Motorsports Ultra-Lite arms....heh, thats funny.

Cuts down the center of an armature has been going on since the 80's....they rarely were used because of the loss in runtime....

As we got higher capacity batteries, companies started messing with things again....namely armatures cut down the center.... ORION used these armatures with great success at the 2004 IFMAR Onroad World Championships......

So, if anyone deserves credit to bringing them back to the market, it would be Orion.....

I can show ya pics from Big Jim that were dated back in like 2002 with a center cut armature (he also milled them horizonantly too).......

Keep the trash talk at home......nobody cares who had it first, especially in this case when its not even true...

Later EddieO
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Old 11-22-2005, 11:50 AM   #1919
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hey eddie you think you might do a Uber Cheater 19t reedy quad mag arm?

18.5 awg wire, center cut arm, and power trix.

i but all that change to the arm might accually made it worse lol, but who knows, it might be a rocket.
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Old 11-22-2005, 01:04 PM   #1920
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Eddie,

YGM....

I tried calling you today...

Give me a call when you are available. 303-400-1428

Isaac
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