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Electric EZGO Electric EZ GO Marathon, Medalist, TXT and RXV. |
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11-30-2011, 10:15 AM | #1 |
Not Yet Wild
Join Date: Oct 2011
Posts: 64
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new brushes and epoxy
I'm new to the cart thing, and I found a guy who works on carts and seems very knowledable. I was talking about upgrades with him and he suggested putting new brushes in the motor and epoxying the inside of the motor to help with power. Upgrade all the cables to welding cable, solder the ends and shrinkwrap? leave the stock controller in place. I am not looking for speed as much as torque at the deer lease. MY cart is a 01 TXT, 36V, FNR between the legs? It is lifted 4" with larger tires. It does pretty good now, but begins to die down on long hills? any advice would be appreciated. I am not looking to blow the bank, just to get the most i can out of it.
thanks Randy |
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11-30-2011, 10:52 AM | #2 |
Gone Wild
Join Date: Jul 2011
Location: Houston, TX
Posts: 2,901
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Re: new brushes and epoxy
I'd do controller instead of motor.
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11-30-2011, 12:02 PM | #3 |
Techno-Nerd
Join Date: Jun 2011
Location: West Virginia
Posts: 19,654
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Re: new brushes and epoxy
Hi Randy,
Sounds like you have a series cart (series wound motor), so you've already got about all the speed you're gonna get. Upgrading the high current cables and components will get you more torque, but more voltage is needed for more speed. Making your own cables as described is okay, but be sure to upgrade all the high current cables to 4Ga or larger. The cart dying down on long hills sounds more like a battery issue than a motor problem, so I question the need to change brushes. You can download the Owner's, Service and Parts manuals in the STICKY:s at the top of the Electric EZGO forum, but here is a generic diagram of your High Current circuit. As you see, the same (total) current flows though the Batteries, Cables, Solenoid, F/R switch, Controller, Armature and Stator. The entire drive system is only as good as the weakest link in that chain and a stock motor isn't the weakest link. In fact, the stock motor is typically the last thing upgraded because it is more capable than the rest of a stock drive system. |
11-30-2011, 01:48 PM | #4 |
Gone Wild
Join Date: Feb 2011
Posts: 341
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Re: new brushes and epoxy
To get more torque, you need the aforementioned cables plus an HD F/R switch. Then get a new controller. Don't bother with the motor or gears because gains in torque are lost in speed. What is your pack voltage for the batteries?
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11-30-2011, 02:13 PM | #5 |
Not Yet Wild
Join Date: Oct 2011
Posts: 64
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Re: new brushes and epoxy
my cart is a 36 volt, the batteries are two months old. I also have a heavy duty FNR switch. thanks for your help
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11-30-2011, 03:39 PM | #6 | |
Gone Wild
Join Date: Feb 2011
Posts: 341
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Re: new brushes and epoxy
Quote:
http://www.cartsunlimited.net/Custom_Options.html |
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11-30-2011, 03:56 PM | #7 |
Gone Wild
Join Date: Sep 2010
Location: Olive Branch, MS
Posts: 313
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Re: new brushes and epoxy
If your lifted with large tires and basically stock otherwise that is why you are losing speed uphill. A new controller will help a lot. You can get motors with more torque but know that in most cases you will give up some speed for that. Just make sure your cables and FNR are upgraded like already mentioned.
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11-30-2011, 04:18 PM | #8 |
Techno-Nerd
Join Date: Jun 2011
Location: West Virginia
Posts: 19,654
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Re: new brushes and epoxy
In your first post in this thread you said "I'm new to the cart thing", so you might not be quite up to speed on the care and feeding of Deep Cycle wet cell batteries yet.
In your latest post you state: "the batteries are two months old", which sheds a different light on the statement, "It does pretty good now, but begins to die down on long hills?" you also made in your in your first post. The slowing down on long hills thing could still very well be a battery issue since New batteries only have about 75% of their maximum storage capacity until they have been "Matured". Did you charged the batteries fully before you used them? Are you are breaking them in properly? If you have no idea what I am talking about, go to this website and read everything that has "Battery" in the title. http://www.cartsunlimited.net/ Also, what is the terminal voltage of your 36V battery pack? (It should be 38.2V or greater) Here's a State of Charge chart. After being fully charged and allowed to rest for 6-12 hours, a new battery will read a bit higher than the chart and older batteries will read lower. |
12-01-2011, 10:08 AM | #9 |
Not Yet Wild
Join Date: Oct 2011
Posts: 64
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Re: new brushes and epoxy
thanks guys, I am going to check out the link for breaking in batteries. I did charge them fully the first time. I hope the link will shed some light on charging methods. seems everyone i talk to has their own opinion? Charge them every time you get the cart home, a battery only has so many charge cycles so wait till its at 75% or less? take the charger off when it stops, leave it on the cart? I am sure it is like every thing else, everyone has an opinion? what is right though? I appreciate everyone's advice. thanks!
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12-01-2011, 10:09 AM | #10 |
Not Yet Wild
Join Date: Oct 2011
Posts: 64
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Re: new brushes and epoxy
Oh and i cant send a picture right now, a friend of mine owns a graphics shop and it is getting a camo wrap this week!
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