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Old 09-04-2008, 02:36 AM   #1
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Default Tamiya TA05 gearing ratios

Hi Guys, im just wondering what the external ratio is for a ta05r running a stock, prostock motor or 19turn motor. just need ball park ratios as i need to get some gears.
I know how to work out the external ratio from the pinion and spur, how do i know the internal ratio of the car, as i also have an old Schuey Mi2 that i'd like to know ratios for.
Also, any benefit between 64 and 48 pitch.

cheers all
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Old 09-04-2008, 04:06 AM   #2
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www.gearchart.com is your friend!!!

stock brushed on a ta05 is very low 7s. at least with a monster back 2-3yrs ago when car 1st came out. 17.5 stuff is WAY taller. (down in the 3 or 4s somethin crazy)

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Old 09-04-2008, 06:11 AM   #3
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diff / center pulley * spur / pinion = FDR
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Old 09-04-2008, 09:14 AM   #4
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With the kit-standard 0.4 module 105T spur gear, we use 28-31T pinions on our relatively small parking lot track. To give you an idea of the size, our hot-lap times vary from 9 to 11 seconds depending on the layout. And we have only one main straight.
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