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11-13-2008, 09:43 PM
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#11 |
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Not Yet Wild
Join Date: Nov 2008
Posts: 1
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Re: Converting over to 48 volt system???
I recently rebuilt an old Cushman Golfster and would like to upgrade the voltage. The motor is a GE 5BC48JB500E, and is marked 36v. It is a simple design with a 12v solenoid and coil resistors. Can I simply pump 48v to it without doing any harm?
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11-13-2008, 11:10 PM
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#12 |
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lug nutz
Join Date: Dec 2007
Location: So Cal
Posts: 6,074
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Re: Converting over to 48 volt system???
Your 36v solenoid may fry open or closed or never? Play it safe and get a 48v solenoid and then put it to her!
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11-16-2008, 07:41 PM
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#13 | |
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Not Yet Wild
Join Date: Nov 2008
Posts: 9
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Re: Converting over to 48 volt system???
Quote:
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11-16-2008, 07:49 PM
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#14 | |
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Brkn it dwn BaRnEy StYlE
Join Date: Jun 2007
Location: Kaufman, Texas
Posts: 3,414
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Re: Converting over to 48 volt system???
Quote:
With that being said, there are 2 things you have to think about with solenoids. There is the activation coil circuit voltage and there is main contactor voltage. You can run the activation coil off of 36 volts , run 48 through the contactor and you "might" never have to buy one at all....then there are some solenoids that will weld the mains closed on first contact...you just never know till you try. I reccommend buying a HD 48 volt solenoid for safety sake. It makes wiring things up a whole lot easier for people who don't know the system very well. |
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Golf Carts | Lifted Golf Carts | Electric Golf Carts
Custom EZGO | B&S V-Twin | All Sports Long Travel Lift | 8:1 Gears | 22" Titan AT489's  | |  |  |  |  |  | 
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11-16-2008, 07:51 PM
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#15 |
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Two Cheeks Sliding
Join Date: Jan 2007
Location: Suburban Chicago
Posts: 2,306
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Re: Converting over to 48 volt system???
You can wire the activation circuit for 36v, but the full pack current will pass through the secondary. The secondary is rated for a certain voltage and current, which are both being surpassed by the overvoltage condition. Better to be safe than sorry. I have seen the results of welded solenoids and melted golf carts.
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11-16-2008, 07:53 PM
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#16 |
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Two Cheeks Sliding
Join Date: Jan 2007
Location: Suburban Chicago
Posts: 2,306
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Re: Converting over to 48 volt system???
Roady, that's about the fourth time today we have doubled up. WTH? LOL!
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11-16-2008, 07:57 PM
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#17 | |
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Brkn it dwn BaRnEy StYlE
Join Date: Jun 2007
Location: Kaufman, Texas
Posts: 3,414
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Re: Converting over to 48 volt system???
Quote:
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Golf Carts | Lifted Golf Carts | Electric Golf Carts
Custom EZGO | B&S V-Twin | All Sports Long Travel Lift | 8:1 Gears | 22" Titan AT489's | | | | | | |
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11-16-2008, 08:01 PM
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#18 |
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Two Cheeks Sliding
Join Date: Jan 2007
Location: Suburban Chicago
Posts: 2,306
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Re: Converting over to 48 volt system???
That explains my sudden urge to deficate!
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11-16-2008, 10:19 PM
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#19 |
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lug nutz
Join Date: Dec 2007
Location: So Cal
Posts: 6,074
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Re: Converting over to 48 volt system???
OMG they are Twins , seperated at birth |
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