Quote:
Originally Posted by jayjay283
low KV/ high voltage pulls less amps so it runs cooler lol, cant find a thread about it
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That's basically it. The combination of HV and a lower kV motor do pull less current for a given power output. They are more efficient because electrical losses are dependent mainly on current draw. A high kV motor on lower voltage can make the same power, but it draws much more current and that high current creates more heat. Heat = lost power.