RCU Forums - Can someone explain?

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3D-Flyer Kevin

12-09-2006 12:00 AM

Can someone explain?

Can someone please tell me what the "Kv" on the end of the brushless motor title stands for? Example, 1500Kv

Thanks,
Kevin

ChopperMike

12-09-2006 01:15 AM

RE: Can someone explain?

KV = RPM per volt

Mike

Aussie_Toyman

12-09-2006 06:39 AM

RE: Can someone explain?

eg.
1500 kv with 7.4 Volt LiPo (2 cell) = 1500 x 7.4 = 11,100 RPM.

This is theoretical, as the motor RPM is normally a bit lower than this when spinning a Prop.

3D-Flyer Kevin

12-09-2006 10:11 AM

RE: Can someone explain?

So the bigger the number the more speed, and the smaller the number the more torque.

ryan_t888

12-22-2006 12:00 AM

RE: Can someone explain?

Yes

Ryan

P-51B

12-22-2006 08:37 AM

RE: Can someone explain?

I always thought Kv was Kilovolt!

ryan_t888

12-22-2006 09:35 AM

RE: Can someone explain?

A KiloVolt is equal to one thousand volts. It's a constant value. ;):)

Ryan

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