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Unread 01-19-2012, 04:04 PM   #1
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Default No torque..

2001 club car Ds 48v series cart.

10hp admrial motor and 400amp curtis controller. the batteries all load test good and discharge time on batteries for 64mins. cart will run but should have alot more get up with the upgrades. when i jack the rear of the cart up tires turn pretty quick, just seems like it doesnt have much torque. any ideas

thanks,
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Unread 01-19-2012, 05:02 PM   #2
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Default Re: No torque..

I would like to see that motor on a 500amp controller... and possibly on 48v? Check with the manufacture or your supplier before applying 48v. 64 minutes is not good. 110 minutes is good. A big motor like that will knock the crap out of an old set of batteries because it draws so much more amperage and your batteries are operating at 60% capacity...
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Unread 01-19-2012, 05:28 PM   #3
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Default Re: No torque..

it is a 48v motor and cart has 6-8v batteries. batteries are 2010 intersate, when the guy brought it to me the water level's were pretty low, but all of them load test just a little over 7volts.

it has a 6in lift with only 20in tires top speed right now is 8/9 mph on flat ground. is there any thing else it could possibly be other than batteries. Im not to fimiliar with these carts, mostly deal with precedents
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Unread 01-19-2012, 05:34 PM   #4
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Default Re: No torque..

its a 04 model.
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Unread 01-19-2012, 06:21 PM   #5
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Default Re: No torque..

Quote:
Originally Posted by longhorngolfcarts View Post
it is a 48v motor and cart has 6-8v batteries. batteries are 2010 intersate, when the guy brought it to me the water level's were pretty low, but all of them load test just a little over 7volts.

it has a 6in lift with only 20in tires top speed right now is 8/9 mph on flat ground. is there any thing else it could possibly be other than batteries. Im not to fimiliar with these carts, mostly deal with precedents
Please note the chart attached...
Attached Images
File Type: jpg Trojan Battery Table.jpg (96.5 KB, 20 views)
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Unread 01-19-2012, 06:43 PM   #6
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Default Re: No torque..

That is with a volt meter correct. not a load tester. im getting 8.2 on dvm.
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Unread 01-19-2012, 06:53 PM   #7
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Default Re: No torque..

Quote:
Originally Posted by longhorngolfcarts View Post
That is with a volt meter correct. not a load tester. im getting 8.2 on dvm.
Correct... that would give you around 65% charge from your batteries. Can you get them back to full? 8.49?
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