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Old 01-02-2009, 05:42 PM   #8236
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I'm running 64 pitch 100/41 for 4.78fdr
what 64 pitch spur works?
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Old 01-02-2009, 06:14 PM   #8237
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I had a FDR of 8.15 on the smalll track I run on with my tc4, would it be wise to try to acheive the same ratio with the tc5?
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Old 01-02-2009, 06:23 PM   #8238
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I had a FDR of 8.15 on the smalll track I run on with my tc4, would it be wise to try to acheive the same ratio with the tc5?
u must b runnin mod mot for a fdr that low but to answer ur question it will b easier to get that fdr with tc5 cause internal drive is 2.0 compared to the tc4 is 2.5
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Old 01-02-2009, 06:39 PM   #8239
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BMI Racing (www.bmiracing.com) sell pinions from 45T to 60T in 64p

They are machined aluminum plated with a special nickle/teflon coating. Very hard and slick.

Nice lookn product Adrian!

..but I have a challenge for you! For 12th and WGT...

Please make us some small spurs for brushless that allow us to have a smooth diff...as smooth as with a Kimbrough gear that is...

Pretty Please!!!
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Old 01-02-2009, 06:39 PM   #8240
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I run stock on a very small track. The lap times are generally 7-9 seconds...
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Old 01-02-2009, 06:46 PM   #8241
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Nice lookn product Jason!

..but I have a challenge for you! For 12th and WGT...

Please make us some small spurs for brushless that allow us to have a smooth diff...as smooth as with a Kimbrough gear that is...

Pretty Please!!!
Ask and ye shall recieve. This gear is machined from acytel, takes 12 diff balls, is WAY harder to strip than a Kimborough and is just as smooth.

Note that now they are black not white. They look like the black 48p gear below but 78T in 64p. DB5078 $7.99ea.



This is the 78T gear with a 60T pinion on the DB12RR. Don't know if you would ever need a 110mm roll out but its nice to know you could get it if you needed to...lol!

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Old 01-02-2009, 06:55 PM   #8242
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Nice lookn product Adrian!

..but I have a challenge for you! For 12th and WGT...

Please make us some small spurs for brushless that allow us to have a smooth diff...as smooth as with a Kimbrough gear that is...

Pretty Please!!!
Awesome Adrian! I will be shooting some business your way! Thanks!
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Old 01-02-2009, 09:50 PM   #8243
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Has anyone tried running the itf chassis with the regular upper deck on carpet with rubber tires? If so was it good bad or same.
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Old 01-02-2009, 11:04 PM   #8244
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Has anyone tried running the itf chassis with the regular upper deck on carpet with rubber tires? If so was it good bad or same.
I've done that. I think its still pretty good, but I am not necessarily the best judge of things. I do think it runs better with the ITF top deck. I was running someone else's for a while because we couldn't get any. The ITF seem to be a bit of a tweak monster if you hit the boards too often (as I do). To try and find a compromise, I cut off the crossmember at the rear on a standard topdeck. It seems to run pretty well that way. I run 17.5 stock rubber and my times are competitive with the modified top deck. I don't think its quite as good as the ITF but its not too bad.
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Old 01-02-2009, 11:11 PM   #8245
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Hey guys, what's the smallest spur I can run to still get a good gear mesh with 13.5 and or 19t motors?
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Old 01-03-2009, 03:13 AM   #8246
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Hey guys, what's the smallest spur I can run to still get a good gear mesh with 13.5 and or 19t motors?
well i run 48 pitch and the smallest kimbrough i can get without hitting the top plate is a 72 t 48 pitch
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Old 01-03-2009, 09:03 AM   #8247
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Sorry, I'm running 64p. Unless you can give me an exact O.D. of that spur.
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Old 01-03-2009, 09:50 AM   #8248
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Hey guys, what's the smallest spur I can run to still get a good gear mesh with 13.5 and or 19t motors?
100 is about as small as you will want to go
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Old 01-03-2009, 10:47 AM   #8249
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sorry for asking again, but either i missed the answer or it was overlooked. what brand or rather part # 64 pitch spur you guys runnin? thanks
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Old 01-03-2009, 11:57 AM   #8250
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100 is about as small as you will want to go
I agree. I'm running 100 now.
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