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Unread 12-06-2016, 03:02 PM   #1
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Default Using 3 batteries instead of 6

Have read where people have used 3 12v batteries instead of the 6-6v on a 36v cart.

I understand amp/hr loss and need for deep cycle, but curious how the wiring could be accomplished as mine (for instance) has 4 wires-two for each side (or front and back group).

How can you get 18v?....
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Unread 12-06-2016, 03:07 PM   #2
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Default Re: Using 3 batteries instead of 6

Quote:
Originally Posted by nebraskawoodman View Post
Have read where people have used 3 12v batteries instead of the 6-6v on a 36v cart.

I understand amp/hr loss and need for deep cycle, but curious how the wiring could be accomplished as mine (for instance) has 4 wires-two for each side (or front and back group).

How can you get 18v?....
You can't. Why do you seek 18v?
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Unread 12-06-2016, 03:33 PM   #3
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Default Re: Using 3 batteries instead of 6

He has a electric HD. They took a different approach to early speed control. Using a series of solenoids they ran the motor on 16v, 24v, and 36v for 3 speeds.


I don't think you can do this with 3/12s
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Unread 12-06-2016, 05:36 PM   #4
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Default Re: Using 3 batteries instead of 6

Thanks Scottyb, didn't know these old ones were different. Now I understand.
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Unread 12-06-2016, 07:04 PM   #5
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Default Re: Using 3 batteries instead of 6

On my '68 DE the four speeds are 18v resisted, full 18v, 36v resisted, then full 36v for full speed. You cannot maintain the third speed (36v resisted), as there is a glass electrical delay tube (like in old TVs) that makes it full 36v in about three seconds. Kind of hard to explain, but I hope that makes sense.
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Unread 12-06-2016, 08:43 PM   #6
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Default Re: Using 3 batteries instead of 6

I learn something new here everyday.
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Unread 12-06-2016, 10:06 PM   #7
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Default Re: Using 3 batteries instead of 6

Just curious. Could he make it 12,24, then 36v? I just got a 1976 Harley 4 wheel cart. (Thanks to crashtestdummy's sticky) I found out the year etc. Have not had time to tear into it yet but, according to what little I have found out it runs on 12, 24, and 36v. I'm assuming this because it has three 12 volt solenoids.
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