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Unread 04-19-2014, 11:29 AM   #11
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Default Re: Need to slow cart down!

Quote:
Originally Posted by greg-g View Post
If you going to use half the batteries just wire them 3 in parallel get half the speed twice the runtime.
ahhh ,,no ...half the batteries pulling the same weight = half the run time
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Unread 04-19-2014, 12:06 PM   #12
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Default Re: Need to slow cart down!

Quote:
Originally Posted by crash test dummy View Post
ahhh ,,no ...half the batteries pulling the same weight = half the run time
Not to mention half the battery life if you're real lucky!

-Scott H.
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Unread 04-19-2014, 12:12 PM   #13
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Default Re: Need to slow cart down!

As mentioned before, just modify the wiring at the #3 microswitch for 1/2 speed, Look at the diagram in the stickies:
Electric Club Car wiring diagrams

Use a SPDT switch wired as follows:
Center (common) pin goes to the limit switch where the white wire was connected.
Side-1 of the switch goes to the white wire in harness.
Side-2 goes to the limit switch where the resistor/black wire is plugged.
You would then have:
Position-1: Normal Use
Position-2: Always half-speed.
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Unread 04-19-2014, 12:51 PM   #14
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Default Re: Need to slow cart down!

I think half speed may be too slow......i would put an adjustable bumper (like the front leg on a washing machine) to get the right speed.....or just demand they slow down or put it up.....
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Unread 04-19-2014, 01:24 PM   #15
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Default Re: Need to slow cart down!

Quote:
Originally Posted by crash test dummy View Post
ahhh ,,no ...half the batteries pulling the same weight = half the run time
quote Scotth Not to mention half the battery life if you're real lucky!

quote KGSC Having the voltage would pretty much double the current and
melt most of the cables.

motor resistance (what ever it is) I will use .5
half voltage 24vdc
full voltage 48vdc

Amps = Resistance X Voltage (yes we all know the amps used changes but will change equally for both).

.5R X 48Vdc = 24amps at 48 volts this is 1152 watts

.5R X 24Vdc = 12amps at 24 volts this is 576 watts

So now I need to know how you three came up with your figures?
convince me! we all know you just can't put 48 volts on a 36 volt cart and this is why you will draw more current with more voltage not the opposite.
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Unread 04-19-2014, 02:48 PM   #16
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Default Re: Need to slow cart down!

Quote:
Originally Posted by greg-g View Post
So now I need to know how you three came up with your figures?
convince me! we all know you just can't put 48 volts on a 36 volt cart and this is why you will draw more current with more voltage not the opposite.
as for my answer
Quote:
.half the batteries pulling the same weight = half the run time
can't give you figures but common sense tells you that if you use 48v to pull 800lbs you can travel x miles
24v would be half as far and discharge would be 2x greater than 48v
other wise you could just use a 12v battery in carts
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Unread 04-19-2014, 03:44 PM   #17
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Default Re: Need to slow cart down!

[QUOTE=crash test dummy;1016674]as for my answer

can't give you figures but common sense tells you that if you use 48v to pull 800lbs you can travel x miles
24v would be half as far and discharge would be 2x greater than 48v
other wise you could just use a 12v battery in carts[/QUOTE

Ah maybe you did not get what I ment you still have six batteries just now three are hooked in parallel with the other three so even using your logic it would be equal runtime.
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Unread 04-19-2014, 04:11 PM   #18
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Default Re: Need to slow cart down!

hummmm...
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Unread 04-19-2014, 06:25 PM   #19
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Default Re: Need to slow cart down!

Greg-g,

On my answer, you're forgetting about charging. If you half the battery pack you're now charging 2 SEPARATE 24 Volt battery packs with a 48 Volt charger which will over charge the batteries and melt the lead plates inside the battery.

-Scott H.
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Unread 04-19-2014, 06:57 PM   #20
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Default Re: Need to slow cart down!

Still don't see why this wouldn't be simpler......
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