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Originally Posted by starscream
This question seems to be more complex than just kv differences however,
You gave a real world example of a neu 1515 2200kv and a neu 1515 1700kv on 4S. In this example the 1700kv motor ran hotter correct? So, the question remains, which one (the 2200kv or 1700kv) has a longer run time at 4S? This would tell us which is more efficient at that voltage. I was also curious if the heat/run time ratio changes given a higher voltage (geared for the same speed). Hence the next question, is there a sweet spot in the RPM band for a BL motor? if so, what is it based on kv, voltage, both etc?...
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correct, although this is only a rough comparison because it was from two different people in different trucks 1000 miles apart on different tracks, etc etc....
but it's all I got right now.... :)
We definitely have more questions than answers don't we? :032: