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Electric golf carts Harley Davidson, Melex, Pargo, Taylor-Dunn and other Misc. Carts. |
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10-05-2018, 08:46 PM | #1 |
Gone Wild
Join Date: Aug 2008
Location: Leander TX
Posts: 166
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Putting the Taylor Dunn on a lithium diet
Most all of the skin on my cart has been replaced with aluminum, but she’s still a heavy beast. So, I brought these home today. Can’t wait to get a charger, bms, and everything else.
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10-05-2018, 09:04 PM | #2 |
Gone Wild
Join Date: Jul 2018
Location: Central Ohio
Posts: 1,720
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Re: Putting the Taylor Dunn on a lithium diet
Looking forward to seeing how this build goes!
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10-05-2018, 09:08 PM | #3 |
Gone Wild
Join Date: Aug 2008
Location: Leander TX
Posts: 166
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Re: Putting the Taylor Dunn on a lithium diet
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10-05-2018, 09:20 PM | #4 |
Gone Wild
Join Date: Jul 2018
Location: Central Ohio
Posts: 1,720
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Re: Putting the Taylor Dunn on a lithium diet
Do I count 16 modules there? You planning on using all 16 in the pack?
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10-05-2018, 09:29 PM | #5 |
Gone Wild
Join Date: Aug 2008
Location: Leander TX
Posts: 166
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Re: Putting the Taylor Dunn on a lithium diet
No, I’m thinking of using 10. I’m 36v and until I can afford everything it would take to go 48v, I’m staying there. The lithium should push the cart a lot better and it does pretty well on aged fla batts. I just bought them all because I couldn’t pass up the deal.
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10-05-2018, 11:16 PM | #6 |
Gone Wild
Join Date: Nov 2016
Location: near Calgary, AB, Canada
Posts: 1,516
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Re: Putting the Taylor Dunn on a lithium diet
It sounds like an interesting application with your heavy duty cart.
One of the things that kept me on the sidelines with Lithium (besides the cost) is the maximum amperage rating of a Lithium battery pack vs. the amperage requirement of the cart. I couldn't get satisfied with a large enough Lithium pack rating to accommodate the occasional 400 amp draws that my cart is sometimes subjected to. What is the maximum sustained amperage rating from your Lithium pack? Compare that to the maximum amperage requirement of your cart in a loaded situation (I used a clamp on Fluke ammeter and now have a permanently installed Red Sea ammeter installed, so I have a pretty good idea of my amperage requirements). I am not sure of the ramifications of over amping your lithiums, but I suspect that it is likely a shorter than expected life at the minimum, and perhaps a falure of your pack (or worse) if your batteries are significantly overloaded (due to pulling the guts out of them). I am certainly not wanting to scare monger, but you may want to consider this, what I consider to be a limiting factor with some of the Lithium batteries out there. There are ways around this, but it usually involves have two or three packs in parallel to acheive the high amperage required for a heavy cart. |
10-06-2018, 12:07 AM | #7 | |
Gone Wild
Join Date: Aug 2008
Location: Leander TX
Posts: 166
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Re: Putting the Taylor Dunn on a lithium diet
Quote:
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10-06-2018, 03:25 AM | #8 |
Gone Wild
Join Date: Jul 2018
Location: Central Ohio
Posts: 1,720
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Re: Putting the Taylor Dunn on a lithium diet
Good points to consider brought up by ThreeCW. Frankly, that's all over my head. I have a very basic understanding of electric. I have read and studied about this, but it just does not really compute for me. So I rely on what others have done and their advice on what components are beefed up enough to handle the loads needed/caused with these systems.
I'm sure some of the others on here who are more versed on this subject will be able to chime in on those points. At $30 a pop, that is well worth it! What year is that Taylor Dunn? |
10-06-2018, 08:36 AM | #9 | |
Gone Wild
Join Date: Aug 2008
Location: Leander TX
Posts: 166
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Re: Putting the Taylor Dunn on a lithium diet
Quote:
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10-12-2018, 10:35 AM | #10 |
Gone Wild
Join Date: Aug 2008
Location: Leander TX
Posts: 166
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Re: Putting the Taylor Dunn on a lithium diet
Some fun stuff I ran across regarding building a BMS, I’ve only glanced through it thus far.
https://github.com/stuartpittaway/diyBMS https://community.openenergymonitor....ng-bms/5594/10 |
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