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Originally Posted by Serum
@jhautz;
a neu is a 4 poles, meaning more stress on the drivetrain. The feigao's are good motors, and it's not their efficiency that is lacking.
Another thing;
It's not a matter of a high efficiency motor, it's about the current that the motor takes. as simple as that. If it works with a 99 percent eff. motor, it work with a 10 percent eff. as well. It's about the current they take, not about their efficiency.
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Correct, however it was clear to me that Castle was stating given a desired power level that the more efficient motor would be easier on the ESC which is true. 700w @ 80 amps vs 700w at 68 amps the second example would be less demanding on the esc (given a linear or relatively linear current draw vs power output).
I know U know that already, and your point about current draw is well placed. I just though a little clarification would help.