Quote:
Originally Posted by sikeston34m
That statement is true.
Kv rating of any motor is not established by the rotor.
Kv rating is a result of the number of turns in the wind.
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That's not exactly true.
The kV is inversely proportional to flux in the air gap, so weaker magnets = higher kV, stronger magnets = lower kV.
And by the same token, smaller air gap = higher air gap flux = lower kV, and larger air gap = lower air gap flux = high kV