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12-16-2011, 03:20 PM

coconut

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kVs

What's the difference between a 5700 kV and 4600 kV brushless motor?

12-16-2011, 04:53 PM

klaymon

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kV is the number of RPM per volt.

A 5700kV motor turns 5,700RPM per volt. With a typical LiPo at 8.4V fully charged, the motor will turn 47,880RPM with no load. A 4600kV motor will turn 38,640RPM. Hence, the 5700kV motor is faster.

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