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Electric EZGO Electric EZ GO Marathon, Medalist, TXT and RXV. |
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09-14-2020, 04:46 PM | #11 |
Gone Wild
Join Date: Nov 2011
Location: S.E. Mi.
Posts: 531
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Re: Upgrade motor?
I would say they are just covering their *** with that response. I've been running my EZ GO 36v motor on 48v for 8 years.
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09-14-2020, 06:42 PM | #12 | |
Techno-Nerd
Join Date: Jun 2011
Location: West Virginia
Posts: 19,654
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Re: Upgrade motor?
Quote:
A SR48400 will pass 460A peak, which is 17,572W with a fully charged 36V pack (38.2V) and 23,414W with a fully charged 48V pack (50.9V). That additional 6kW might be enough to let the magic smoke out of the motor. On the other hand, a SR48300 passes 345A peak, which is 17,560W with a 48V pack, or slightly less than what a SR48400 could hit the motor with from a 36V pack. That might give it more top end without as much danger of burning out the motor by flooring the pedal on takes off or while at low speeds. Food for thought and maybe another email to EMP. |
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09-14-2020, 06:48 PM | #13 |
Over This Interview Is...
Join Date: Jun 2012
Location: AZ
Posts: 17,449
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Re: Upgrade motor?
Also, maybe it was modified for more speed on 36v, and they know it will exceed it's safe speed on 48v. Just another possibility, as I didnt find anything on that motor with a quick search.
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09-14-2020, 08:23 PM | #14 | |
Techno-Nerd
Join Date: Jun 2011
Location: West Virginia
Posts: 19,654
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Re: Upgrade motor?
Quote:
I keep forgetting series controllers don't have RPM limiting like modern sepex controllers do. |
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09-14-2020, 09:17 PM | #15 | |
Nincompoop village idiot
Join Date: Apr 2018
Location: Michigan
Posts: 9,669
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Re: Upgrade motor?
Quote:
Thanks for the help gents! |
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09-15-2020, 01:06 AM | #16 |
Over This Interview Is...
Join Date: Jun 2012
Location: AZ
Posts: 17,449
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Re: Upgrade motor?
If it were modified for "high speed", it's a terrible match for 23" tires, and itll "fry" soon. (Unless you gear the axle to allow the motor to live in the rpm range its happy with). High speed motors & big tires costs "parts money" soon, heat will kill the armature..
Trust me, I tried it. At the customers specific request, against my advice. That one eventually got converted to V-twin gas, at great expense. Yes, that's possible, it costs alot, and requires a gas "parts car". |
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