Quote:
Originally Posted by sirsomrak
sorry to be such a noob .wat is a 4000Kv motor?brushless ones?
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The 'Kv' measurements confused me too at first. It does refer to a brushless motor spec.. Specifically the 'Kv' number is referring to -RPM per volt-, so a 4000Kv motor has a maximum unloaded RPM of 29600 when used with a 7.4v battery (4000 * 7.4 = 29600).
Some companies perfer to use the 'Kv' spec instead of 'Turns' which is what most of us are used to.. If you wanted to compare a 4000kv brushless motor to a Novak brushless motor, then you will find that it is roughly the same as a 10.5 turn.
Hope this helps.
Dan