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Old 02-15-2014, 10:56 PM   #1
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Default on road 10r5 oval gearing/chart?

What's a good gear ratio to run a 10r5 and 13.5t with a 1 Cell Lipo, please let me know What spur and pinion to run or atleast where to start, last Time I raced there was no brushless.

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Old 02-16-2014, 08:54 AM   #2
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I usually start out at around an 85mm rollout
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Old 02-16-2014, 12:09 PM   #3
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What pinion and spur for a 13.5 and 10.5?

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Old 02-16-2014, 01:54 PM   #4
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a 100 or 104 tooth spur gives you a good gearing range - the pinion will be based on track and tire sizes, brand of motor, as will it being a Open timing vs a Blinky class.

The carpet track I on yesterday I ran a 100 / 53 w/ 2.10" rear tires - w/ OPEN timing.
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Old 02-16-2014, 01:58 PM   #5
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What size motor?
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Old 02-16-2014, 02:00 PM   #6
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Also who makes the best spurs and pinions these days?
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Old 02-16-2014, 03:00 PM   #7
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I personally use KIMBROUGH Spur Gears - and have for over 20 years.

http://kimbroughracingproducts.com/s...ategory_id=202

For pinions - CRC has a really good line, although I use PRS (because I've had them a long time) CRC has Spurs too - they use the smaller 3/32 diff balls, so I've never used them.

http://www.teamcrc.com/store/index.p...&cPath=1_46_47

http://www.teamcrc.com/store/index.p...pk7878t6a8v7f4

oh and btw - that gearing was w/ a TRINITY D3.5 style 13.5 motor w/ open timing...and a Mamba ESC.
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Old 02-17-2014, 07:24 PM   #8
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Thank you.
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Old 02-17-2014, 09:02 PM   #9
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What track are you running?
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