Quote:
Originally Posted by DCM
Simply not the case, if you look at the power rating of a motor and a lipo, most, if not all proper race packs have a much greater rms and pmpo power rating than any bwr maybe the really haìry chested mod motors, this ìs why you are now seeing more 4wd cars being designed around the shorty lipo. If you could theoretically have an esc with no resistance all you would end up doing is roasting motors.
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The fact that the same car can run at measurably different speeds with 2 different, approved and fully charged packs is evidence that this is not the full story. Yes, any decent pack will likely be rated to deliver more power than is required, that doesn't mean it will do so under the motor restrictions in place. Connect up a pack with a lower IR, change nothing else and the circuit will draw more current - you will get a higher performance out. Shorty packs are being used in many cars because the positioning freedom and weight advantage far outweigh any electrical performance detriment. Doesn't mean there isn't a difference though.