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RC-Monster Mike
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Location: PA
01.08.2006, 01:33 PM

My truck is my dyno, Artur. Along with my temp gun(or my fingers in some cases!). I've tried many setups and systems in many vehicles and I know what I know based on this experience. I have toasted my fair share of motors and controllers as I progressed along the learning curve, but it has taught me some general rules/findings. I try to apply these findings myself, as well as guide others with this experience.
It is the greater RANGE of high efficiency achieved with the segmented magnets (higher efficiency over a greater range of rpms/amps/throttle input) more so than just the overall stated efficiency(which I already mentioned is typically stated at a specific rpm and amp draw value). You keep mentioning the 1%, but this is assumed PEAK efficiency, which happens at a very finite rpm/voltage/amperage vs. over w range of efficiency values at varying rpms/amps/voltage etc.. While the PEAK efficiency values are indeed very similar from segmented to non-segmented magnets, the RANGE of high efficiency will surely show a much larger difference(and we use our motors over a wide range and therefore experience much greater than a 1% gain).
Also, I did not state that the posted values were meaningless - just that their meaning is not related to this discussion. The numbers have meaning for sure(and the stated amps for the basic and basic xl series is indeed the value of their peak efficiency, however,the 30 amp value posted for the entire RANGE of 1930 motor winds is simply jibberish-each wind has its own specs in relation to these values). Also, these stated amps are not indicitive of 1300 watt output, either. For the basic series, it is simply the amp value at which peak efficiency occurred(and without the voltage and rpm values along with this info, not much can actually be taken from it quite frankly).
I think I am starting to repeat myself here. :)
Interesting discussion, though. Glad we could enjoy some popcorn during the course of it(though I wish my popcorn had more butter!). :)
   
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