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Electric EZGO Electric EZ GO Marathon, Medalist, TXT and RXV. |
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03-09-2019, 09:40 AM | #11 |
Gone Insane
Join Date: Oct 2016
Location: Richmond, VA
Posts: 14,214
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Re: New Crowns or used Trojans for 36v to 48v conversion
What area are you in navynuke?
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03-09-2019, 12:23 PM | #12 |
Not Yet Wild
Join Date: Feb 2019
Posts: 10
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Re: New Crowns or used Trojans for 36v to 48v conversion
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03-10-2019, 02:39 PM | #13 |
Gone Wild
Join Date: Jan 2013
Location: Saint Petersburg, FL
Posts: 2,089
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Re: New Crowns or used Trojans for 36v to 48v conversion
If it were me I'd stay with Crown and see if I could hold off until I could get the 165 or 190 amp ones. $0.02
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03-10-2019, 06:36 PM | #14 |
Not Yet Wild
Join Date: Oct 2018
Location: Kimball MI
Posts: 66
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Re: New Crowns or used Trojans for 36v to 48v conversion
Well, now that all the serious replies are in.......
'Used Trojans' Ewwwwwwwww........ |
03-10-2019, 09:17 PM | #15 |
Gone Mad
Join Date: Oct 2009
Location: Buford, GA
Posts: 8,988
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Re: New Crowns or used Trojans for 36v to 48v conversion
Keep us posted. Possible useful data, for others.
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03-11-2019, 07:55 AM | #16 |
Gone Wild
Join Date: Jan 2013
Location: Saint Petersburg, FL
Posts: 2,089
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Re: New Crowns or used Trojans for 36v to 48v conversion
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03-11-2019, 09:51 AM | #17 |
Not Yet Wild
Join Date: Feb 2019
Posts: 10
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Re: New Crowns or used Trojans for 36v to 48v conversion
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03-14-2019, 10:09 AM | #18 |
Not Yet Wild
Join Date: Feb 2019
Posts: 10
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Re: New Crowns or used Trojans for 36v to 48v conversion
So I got a new set of Trojans. Maybe I was expecting more, but the cart is still a dog going uphill. I know series carts do that, but I figured going to 48v would make more of a difference. For whatever reason I cant get the alltrax toolkit to actually save the log file, but I noticed when pulling hills motor amps are only about 60-70. Also the controller is only showing battery voltage at ~48v when fully charged. Battery voltage measured by the battery gauge is around 51.9v fully charged and very close to that with a cheap voltmeter. I'm running 2awg cables.
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03-14-2019, 10:22 AM | #19 |
Getting Wild
Join Date: May 2017
Posts: 85
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Re: New Crowns or used Trojans for 36v to 48v conversion
Honestly, I was little disappointed on the hills after my conversion from 36v to 48v and the Alltrax SR48500. But in reality, I was probably getting 6 mph uphill before, and the new setup was getting closer to 9mph so I guess the results are what you would expect.
Next thing I can look at is motor |
03-14-2019, 12:06 PM | #20 | |
Techno-Nerd
Join Date: Jun 2011
Location: West Virginia
Posts: 19,654
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Re: New Crowns or used Trojans for 36v to 48v conversion
Quote:
In addition, both the motor and amp delivery system are more efficient at 48V than they are at 36V, the actual gain may be slightly more than 1/3. You have to "Stop" recording the data log prior to shutting down Toolkit or disconnecting the USB cable or the log file is not saved. The 60-70 amps being drawn while on the hill, is that battery amps or motor amps? (Motor amps will be higher unless the throttle is at 100%) The voltage shown on the monitor screen will be less than the battery pack voltage until the solenoid clicks, then they ought to be the same. Also, new batteries only have about 75% of their rated capacity until they have been broken in, and they are rated at 80°F, so if they are cooler than that, they will have less capacity and performance. |
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