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Old 12-25-2006, 06:44 PM   #1321
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can they do white ?
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Old 12-25-2006, 06:45 PM   #1322
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can they do white ?
not sure i have posted the number a few post back. call them.
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Old 12-25-2006, 08:39 PM   #1323
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hey guys, just finished building my US '007 car & I want to know how you all determine what pinion to run based on your tire size. I am a bit concerned on properly selecting the right pinion for 19 turn based on 57mm tires..I'm running it tomorrow


can anyone help????

Last edited by ghoppa; 12-25-2006 at 11:35 PM.
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Old 12-25-2006, 08:55 PM   #1324
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What 19 turn are you running?
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Old 12-25-2006, 11:35 PM   #1325
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What 19 turn are you running?
Checkpoint....
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Old 12-26-2006, 07:51 AM   #1326
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Quote:
Originally Posted by ghoppa
Checkpoint....
Chekpoints like to roll out in the 33-35 range. You might have to switch to a smaller spur (108) to achieve this type of roll out.
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Old 12-26-2006, 07:54 AM   #1327
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Quote:
Originally Posted by ghoppa
Checkpoint....
With a 116t (64p) spur, start with a 35t pinion. You'll probably end up with either a 36t or even 37t pinion though. Just trying to make sure you don't fry the motor.

With a 112t spur, start with a 34t pinion and you might end up with a 35t or 36t.

For 57mm foam tires, the target rollout should be between 32mm and 34mm.
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Old 12-26-2006, 08:09 AM   #1328
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Quote:
Originally Posted by teamgp
With a 116t (64p) spur, start with a 35t pinion. You'll probably end up with either a 36t or even 37t pinion though. Just trying to make sure you don't fry the motor.

With a 112t spur, start with a 34t pinion and you might end up with a 35t or 36t.

For 57mm foam tires, the target rollout should be between 32mm and 34mm.
what temp should the motor be after a 5min run?
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Old 12-26-2006, 08:10 AM   #1329
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Quote:
Originally Posted by ghoppa
hey guys, just finished building my US '007 car & I want to know how you all determine what pinion to run based on your tire size. I am a bit concerned on properly selecting the right pinion for 19 turn based on 57mm tires..I'm running it tomorrow


can anyone help????
I have the same question, but am using a CO27 with 57mm tires.
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Old 12-26-2006, 09:12 AM   #1330
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thanks for the info A.Rhoades & TeamGP, but what do you all mean by "rollout"??? is this the amount traveled "per 1 revolution of the motor"????

I have never ran "foams" before and I don't want to over think the whole methology about it....I just can't afford to "fry" a motor (know what I mean??? X-Mas killed by checkbook this year)

anybody have a rollout chart for foams????

thanks for the info!!!
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Old 12-26-2006, 09:27 AM   #1331
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Quote:
Originally Posted by WinnipegRacer
I have the same question, but am using a CO27 with 57mm tires.
For a Co27 on a med size carpet track you will want to be around 31-33 pinion w/116 spur.
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Old 12-26-2006, 09:28 AM   #1332
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Quote:
Originally Posted by ghoppa
thanks for the info A.Rhoades & TeamGP, but what do you all mean by "rollout"??? is this the amount traveled "per 1 revolution of the motor"????

I have never ran "foams" before and I don't want to over think the whole methology about it....I just can't afford to "fry" a motor (know what I mean??? X-Mas killed by checkbook this year)

anybody have a rollout chart for foams????

thanks for the info!!!
Yes, amount of distance car travels per one revolution of the motor.

Rollout = Tire Diameter X 3.14 / FDR (Final Drive Ratio)

This is a great site for reference - www.gearchart.com
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Old 12-26-2006, 09:36 AM   #1333
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Quote:
Originally Posted by A. Rhodes
Yes, amount of distance car travels per one revolution of the motor.

Rollout = Tire Diameter X 3.14 / FDR (Final Drive Ratio)

This is a great site for reference - www.gearchart.com
awesome!! Thanks again..

last thing: can you give me a good starting point (rollout) for stock & mod foam as well (based on 57mm tires)

thanks A. Rhoades
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Old 12-26-2006, 09:36 AM   #1334
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Save some time and math...... www.gearchart.com Print the charts for foam and rubber any config u need.

And dont forget the 007 comes with roll out charts in there setup book
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Old 12-26-2006, 10:09 AM   #1335
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I ran into a little challenge with the stock 116t spur, I believe a 35t pinion was as large as I could go.. So, I'd recommend a 112t spur for the smaller tire sizes..
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