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Dr_T · 08.31.2015, 06:57 AM

Interesting stuff; if it is really the case that 6 poles need lower RPM to be efficient, I think it should somehow show in the no load Current, which is indicative of the non-copper losses - if those grow disproportionally beyond a certain (E)RPM, so should the no load Current.

Temperatures aside, I think it is still weird though that a 6 pole TP5840 apears to have a bigger RPM drop than a smaller 4 pole TP4070, under same load.

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Dr_T RC-Monster Carbon Fiber Offline Posts: 133 Join Date: Oct 2014 Location: Germany	08.31.2015, 06:57 AM Interesting stuff; if it is really the case that 6 poles need lower RPM to be efficient, I think it should somehow show in the no load Current, which is indicative of the non-copper losses - if those grow disproportionally beyond a certain (E)RPM, so should the no load Current. Temperatures aside, I think it is still weird though that a 6 pole TP5840 apears to have a bigger RPM drop than a smaller 4 pole TP4070, under same load.