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Old 09-14-2009 | 04:04 AM
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SwisströM
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Joined: Aug 2009
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Originally Posted by Ray369
Watts is equal to voltage multiplied by amperage.

Watts x Amps = Volts
Volts x Amps = Watts
The first is wrong.

Watts / Amps = Volts
Volts x Amps = Watts

If I know the KV of a motor and the Volts I will be using, then how can I figure out the amps or watts?
Which watts and amp? Input or Output?
Is not possible to calculate the Input or Output power (in Watts) of a motor simply by KV and Volts. You have to measure it using instruments, or you can try to calculate it but you'll need more data.

Example...: 5700kv and 11.1v = watts or amps???? Is that possible?
5700 are rpm/v
5700rpm/v x 11.1v = 63327 RPM
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