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Unread 10-13-2015, 02:15 PM   #1
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Smile Adding a 7th 8 volt battery

Has anyone ever added a 7th 8 volt battery to the Club Car Precedent EXCEL System yet ?

just wondering if I could add a 7th battery in the bag well under the rear seat kit, and wire it in series with the wire coming from the computer to the Negative terminal on the battery and from the positive on the battery to the motor terminal !


Any thoughts from any of the Guru's

Tahowdawg ?
Any thoughts on this idea ?

I know you can run 48 volts on the 36 volt systems and gain lots of speed, but, what about the EXCEL DRIVE SYSTEM ?

Dale D
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Unread 10-13-2015, 02:41 PM   #2
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Default Re: Adding a 7th 8 volt battery

You can't run 48 volts on a 36 volt system. You would need a controller that can handle 48 volts. You can run 48 volts on a 36 volt motor with no problem. To add a 7 th battery to a 48 volt system, you would need a controller that can handle 56 volts, and a way to charge 56 volt pack,
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Unread 10-13-2015, 02:58 PM   #3
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Default Re: Adding a 7th 8 volt battery

For getting speeds up to base speed of the motor ( designed speed which is achieved when armature voltage and field voltage are at their full rated values ), the armature voltage is varied from zero up to full rated voltage. For getting speed above the base speed, the armature voltage is kept constant and field is gradually reduced. This is represented in the sketch below.

Forklifts do it all the time,...
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Unread 10-13-2015, 05:18 PM   #4
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Default Re: Adding a 7th 8 volt battery

Don't do it. There are lots of series controllers out there than can handle a wide range of voltage but with SepEx cars such as the IQ and Excel, they want 48 volts, and ONLY 48 volts. If you want to build something wild that will run on a higher voltage we can build you a package. I've built 72 Volt Precedents before that would lift the nose in the air when you hit the pedal. Anything is possible if your pockets are deep enough, but don't do it with the factory controller. You'll let the smoke out of it and you won't be able to put it back in.
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Unread 10-13-2015, 06:53 PM   #5
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Default Re: Adding a 7th 8 volt battery

is that the black smoke or the white smoke ?
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Unread 10-13-2015, 06:54 PM   #6
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Default Re: Adding a 7th 8 volt battery

Quote:
Originally Posted by crash test dummy View Post
is that the black smoke or the white smoke ?
Sort of a burnt grey.
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Unread 10-13-2015, 07:16 PM   #7
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Default Re: Adding a 7th 8 volt battery

Quote:
Originally Posted by crash test dummy View Post
is that the black smoke or the white smoke ?
Wouldn't that depend on the color of the controller? I have a gray controller so doesn't it have gray smoke?
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Unread 10-14-2015, 11:38 AM   #8
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Default Re: Adding a 7th 8 volt battery

https://www.youtube.com/watch?v=PXiOQCRiSp0

Smokeless,..
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Unread 10-14-2015, 12:32 PM   #9
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Default Re: Adding a 7th 8 volt battery

Thanks David
hahahaha, I DO NOT need to let the SMOKE OUT of it !

That is why I wanted YOUR opinion in it.........

Nut, as I stated, I wanted to add this battery AFTER the controller, between the controller and the motor..............

After talking to Ric, it will work, but, the controller will still limit the speed
There is nothing to make it run any faster with the stock controller, since it senses Armeture winding counts......That is why the Hi Speed magnets do not work on them..........It senses the amount of winding changes while it is turning and when the preset amount is reached, it will turn down the heat so to speak

Thanks for everyone's input
Dale
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