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Old 11-01-2018, 05:43 PM   #10
TyCreek
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Brand: Thor Motor Coach
Model: Axis 24.2
State: Idaho
Posts: 533
THOR #1944
Quote:
Originally Posted by 99dart View Post
Thanks for the input guys. So, does the voltage (36, 48) make much difference? Say a 26" wheel, 1000 watt, 36 volt would mean fewer batteries/smaller battery pack whether lithium or wet cell.
The limitation I had with eBike hub motors is the narrow hollow axel (limited amps due to wire space/size). Example Issue: too many Amps for too long and wires melt

So, increasing voltage reduces the Amps required for a given Wattage. Something like Amps = Watts/Volts so a 1000W @ 36V would be roughly 30Amps going through whatever the kit wire size is (too much current I'm sure) and @48V it would be more like 21Amps (typically ok).

I ran quality eBike geared hub motors at 1500W continuously with 58V batteries and fat wires spliced in where they exit the axel (~26A). However, I'd suggest keeping a stock hub type eBike motor more near 21Amps max. That's 36V @ 750W or 48V @ 1000W.
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Axis 24.2 "was" tug'n a JK
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