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Old 05-17-2009, 09:32 PM   #1
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Default EZ run gearing

Just got a new 9t ez run brushless system. I'm not really familiar yet with gearings with a brushless system. What pinion should i use with a stock spur gear on a tc4? Any help would be greatly appreciated.
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Old 05-17-2009, 10:35 PM   #2
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i suggest you start ratio at 5.5 and gear down words to achieve desired speed....watch out for motor over heat...
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Old 05-17-2009, 10:59 PM   #3
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A 32 tooth pinion would get you around 5.6:1. I think that would run pretty hot. If it were mine I would start with a 25 tooth to make sure things stay cool.
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Old 05-18-2009, 12:16 AM   #4
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Thanks guys. So 25 tooth will be fine and should keep things cool right?
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