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Electric Yamaha Electric Yamaha Golf Cars; G1 through "The Drive" and U-Max Utility Vehicles |
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10-31-2022, 03:45 PM | #1 |
Gone Wild
Join Date: Apr 2008
Posts: 2,226
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Increasing voltage from 36 to 48v on g8?
so I have a g8 thats currently 36v.. I am in the process of converting it to lifepo4 and was wondering if the controller could handle 48v? Ive read the motor can (older GE style motor) its a 93. I have a lift kit and am torn about installing it and adding larger tires due to the power loss it will cause... I assume I need to convert at least the solenoid to 48v ?
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10-31-2022, 05:13 PM | #2 |
Gone Wild
Join Date: May 2012
Location: Rio Verde, Az
Posts: 7,125
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Re: Increasing voltage from 36 to 48v on g8?
Look at the specs for your controller to make sure it can handle the additional voltage. Motor should be ok. Solenoid needs to be 48V.
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10-31-2022, 07:43 PM | #3 |
Gone Wild
Join Date: Apr 2008
Posts: 2,226
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Re: Increasing voltage from 36 to 48v on g8?
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10-31-2022, 07:48 PM | #4 |
Gone Wild
Join Date: May 2012
Location: Rio Verde, Az
Posts: 7,125
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Re: Increasing voltage from 36 to 48v on g8?
There should be info on the controller itself that you can use to look up the specs. I have no clue about a g8.
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10-31-2022, 09:13 PM | #5 |
Gone Wild
Join Date: Jun 2017
Location: Savannah, GA
Posts: 6,539
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Increasing voltage from 36 to 48v on g8?
The controller won’t take it if it’s the stock metal box. I’d recommend getting an Alltrax controller. I’ve done a few G8s and those controllers are pretty weak if it’s stock.
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10-31-2022, 09:26 PM | #6 |
Gone Wild
Join Date: Apr 2008
Posts: 2,226
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Re: Increasing voltage from 36 to 48v on g8?
This builds on a bit of a budget so id be more likely to buy one of those curtis 500a clones... I can get one with the correct 0-1k throttle input for under 200 backs still have to decide I guess.
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10-31-2022, 09:54 PM | #7 |
Gone Wild
Join Date: Jun 2017
Location: Savannah, GA
Posts: 6,539
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Re: Increasing voltage from 36 to 48v on g8?
I’ve heard some success stories with those. Might be worth a try for a budget cart.
There’s also a seller on eBay that has used Alltrax SPM48225 series controllers for a really good price. I’ve bought dozens of them for budget carts- and they’re programmable for any throttle type. |
11-01-2022, 07:22 AM | #8 | |
Gone Wild
Join Date: Apr 2008
Posts: 2,226
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Re: Increasing voltage from 36 to 48v on g8?
Quote:
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11-04-2022, 07:34 AM | #9 | |
Gone Wild
Join Date: Apr 2008
Posts: 2,226
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Re: Increasing voltage from 36 to 48v on g8?
Quote:
my ultimate goal here is to just be able to still be able to haul 4 people around the campground if I choose to lift it and add 22" tires.(theres no hills there either).. I have the 6" lift already but ive been on the fence about installing it due to the power loss... I dont care about speed.. campground limit is only 5mph (so 10mph is fine) I also have the ability to customize the battery pack voltage since im building with individual 3.6v lifepo4 cells... so I can go up to say 42V? instead of 36 if it will give me a benefit here but from what ive been reading the higher amp capability does more for torque than voltage does and I have a stock motor I really dont want to burn up. I know its a GE motor but not sure of its specs.. from research I think it might be 2.4HP? which seems weak but not really loving the idea of dumping another $600 on a better one right now. Ive seen other threads where people convert a 36 cart to 48v and the motor burns up in short order which is one reason im considering going with something in between like 42v where I can still get away with using 36v stuff like the 400a solenoid I already bought. plus this will be charged off solar so that aspect is covered at least until I see how well that works out since its only going to charge with like 6-7 amps max... I have the ability to manually charge each cell as well. |
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