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Help with gearing for my new build (beginner)

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Old 02-07-2018, 05:25 PM
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mgale81
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Default Help with gearing for my new build (beginner)

hello, I just ordered a Sakura Racing xi Sport 1/10 scale car and I will be putting a 9 turn 4370kv brushless motor in it with 2s lipo. The internal drive ratio of this car is 2:1 but I was wondering what pinion/spur gear setup would be best for this chassis and motor combo? 48 or 64 pitch? Is an FDR of 4 good to start with? I will be just messing around with it in my house and driveway might go to local track to mess around, no competitive racing though.
Old 02-08-2018, 06:21 PM
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bill_delong
 
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no, a FDR of 4.0 is better for a 21.5T motor, I would start closer with a FDR around 6.5

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