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Originally Posted by BrianG
Yes, the 1512 is WAYYY more than enough for the track! I was running my 2d on 4s at the local track yesterday trying out a hardened 16T pinion and it went so fast so quickly that the front end hit a bump and it went airborne into the wall. Awaiting new shock tower now.
The efficiency is not a hard number. It will change based on current flow and load. The Neus in general are very efficient and stay cool. You basically choose the KV for the voltage you are going to use to stay under the 40k rpm "sweet spot". You need power to move any vehicle. 14.8v (4s) at 100A has the same power as 22.2v (6s) at 66.6A. Running a higher voltage lets you choose a higher kv motor to get the same speed and power output. And since current is less, efficiency will be higher. And less current is good for everything; batteries, wires, connectors, ESC, etc...
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So running a higher voltage lets you choose a higher kv motor to get the same speed and power output? I'm not sure I understand that. It seems to me like you should run a lower KV for higher volts. Now I'm really confused:032:
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