Quote:
Originally Posted by crazyjr
I know there have been discussions on this subject, but haven't seen much real info. I'm wanting to experiment with higher voltages (8s and higher), But don't want to drop money on a 1000 to 1400kv neu yet. I know my 1515/2.5d (1700kv) will handle 8s on RPM (57,120 using 4.2V max charge per cell). Geared properly, Will this be more efficient than the same speed on 4,5, or 6 cell Lipo? The planned speed will be around 45 mph (racing and bashing), Would I be better off just getting a lower kv motor?
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the 60,000 rpm number that Neu uses is more for the bearings, I wouldnt run a Neu beyond 45,000 IMO anything beyond that isnt producing anymore power.... lipos are 4.2v's fresh off the charger (this doesnt last long when running the motor) I would make your calculations using 3.7vpc. I run a 1515/2y with 10s in a converted Revo and very happy with my results