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BrianG · 05.20.2007, 03:02 PM

8XL on 16 cells would run the motor up to 40k rpm, which is a bit high.

If running 14 cells, 8XL would be good. For 16 cells, I'd say 9XL or 10XL.

The idea is not to run the motor too fast, but to run it at the ideal rpm and gear up for the speed you want, within reason of course.

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BrianG RC-Monster Admin Offline Posts: 14,609 Join Date: Nov 2005 Location: Des Moines, IA	05.20.2007, 03:02 PM 8XL on 16 cells would run the motor up to 40k rpm, which is a bit high. If running 14 cells, 8XL would be good. For 16 cells, I'd say 9XL or 10XL. The idea is not to run the motor too fast, but to run it at the ideal rpm and gear up for the speed you want, within reason of course.