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Electric EZGO Electric EZ GO Marathon, Medalist, TXT and RXV. |
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05-22-2016, 12:22 PM | #1 |
Getting Wild
Join Date: Feb 2013
Location: Chesnee, SC
Posts: 120
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speed drops on grades
What is the best way to diagnose where my issue is when my speed drops on hills? I have a 36v series cart, US 2200 batteries that are almost 3 years old, 4 gauge wires, factory controller and factory motor. It does have 23" tires though, but issue was there with factory wheels and tires.
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05-22-2016, 12:33 PM | #2 |
Over This Interview Is...
Join Date: Jun 2012
Location: AZ
Posts: 17,449
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Re: speed drops on grades
start by checking voltage at controller terminals "B+" & "B-" while going up hill, then repeat test with "B+" & "M-" terminals. this will reveal power delivered to the controller, & the power delivered to the motor.
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05-22-2016, 12:45 PM | #3 |
Getting Wild
Join Date: Feb 2013
Location: Chesnee, SC
Posts: 120
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Re: speed drops on grades
Perfect, I will charge it this afternoon and give it a try.
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05-22-2016, 01:12 PM | #4 | |
Techno-Nerd
Join Date: Jun 2011
Location: West Virginia
Posts: 19,654
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Re: speed drops on grades
Quote:
Not all of them will fully charge US Battery batteries..... Here is a SoC chart from US battery. Voltages given are taken 12 hours after charger shuts off. |
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05-22-2016, 02:13 PM | #5 |
Getting Wild
Join Date: Feb 2013
Location: Chesnee, SC
Posts: 120
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Re: speed drops on grades
If that's the case, according to the chart, mine are only about 60-70% charged when done.
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05-22-2016, 02:15 PM | #6 |
Getting Wild
Join Date: Feb 2013
Location: Chesnee, SC
Posts: 120
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Re: speed drops on grades
Mine is the EzGo Power Wise charger
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05-22-2016, 02:22 PM | #7 |
Gone Wild
Join Date: Apr 2016
Location: Greenwood, SC
Posts: 1,291
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Re: speed drops on grades
How far will they go...like 8 miles?
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05-22-2016, 02:33 PM | #8 |
Getting Wild
Join Date: Feb 2013
Location: Chesnee, SC
Posts: 120
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Re: speed drops on grades
I'm not sure on distance, honestly. We use it with our grandson in the neighborhood or camping, so it's usually time based.
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05-22-2016, 02:50 PM | #9 |
Happy Carting
Join Date: Dec 2007
Location: Southern California
Posts: 73,419
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Re: speed drops on grades
The stock control is engineered for 18" tires and 2 passengers.
You have 25% larger tires and seating for 50% more passengers. Both of these things will have a negative effect upon hill performance |
05-22-2016, 02:52 PM | #10 |
Gone Wild
Join Date: Apr 2016
Location: Greenwood, SC
Posts: 1,291
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Re: speed drops on grades
To build on what Scotty said. Even with stock everything you still will slow on hills.
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