Thanks. What I'm trying to understand is this:
Quote:
Originally Posted by lutach
From what I've seen in my set ups, all the higher Kv motors geared for the same speed have always asked for more AMPs then with a lower Kv ones. It might have to do with the winding resistance (Rt) and the fact that most higher Kv motor have higher Io (No Load Current). For example: A Aveox 1415/2Y has a Rt of 0.022 Ohms and a Io of 1.8, now a 1415/1.5Y has a Rt of 0.010 Ohms and a Io of 2.5. I have tried the 2 motors above with 6S both geared for the same speed and the 1.5Y was always warmer and pulled more AMPs then the 2Y.
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You can get two motors from the same series (neu 1515) and run them both on 6s. The lower kv motor would need higher gearing and the higher kv motor will need lower gearing to achieve the same speed. Why will one motor run cooler and longer than the other?
My assumption was that both motors would produce the same amount of watts and therefore the same amount of amps. But if the runtime on both motors is different, one will actually pull more amps&watts...