Voltage/Motor Question

bamarich · 03-10-2010, 10:26 AM

Maybe some of you experts can help an electrically challenged newbie out... I have recently upgraded my 05 TXT to a 48 volt system. Yesterday, I decided to replace my 8 6 volt batteries with 6 8 volt batteries with the thought that I can possibly jump up in voltage or have lighter weight to carry. Here's my question... what are my options if I figure out I need more torque or runtime with the following components in the system:

* 700 amp Logisystems controller (48 volt)
* EV contactor
* HD F/R switch
* Stock 36 volt motor

scottyb · 03-10-2010, 10:47 AM

You won't need more torque imho you will have plenty. More run time can only be had by increasing your amperage storage capacity = more lead = going back to eight 6v

bamarich · 03-10-2010, 11:11 AM

Scotty... could I do that by adding batteries to my 48 volt pack and maybe bypassing my controller? Or would that be too much for my motor?

scottyb · 03-10-2010, 11:43 AM

Your motor could take more voltage but you would have to get a controller rated for the voltage you want to do. Nix on the bypass.

bamarich · 03-10-2010, 11:50 AM

So outside of going the other direction on the batteries, would you say my best bet would be to upgrade my motor through D&D, EMP, etc.?

scottyb · 03-10-2010, 11:53 AM

You have a 48v txt ..... the one I just did has tons of torque and runs 22mph on the street with six 8v batteries.... my question is what more do you want from a golf cart

bamarich · 03-10-2010, 12:01 PM

Unfortunately, mine doesn't quite get that kind of performance. However, it could have been primarily due to the low performance of the batteries. I'm pretty sure I'm going to be happy with the 8 volt batteries... but will have to see since they only were installed yesterday. Just checking my options in case though.

scottyb · 03-10-2010, 12:05 PM

Is the cart for off-road or street use? What size tires? What motor and controller are you using?

scottyb · 03-10-2010, 12:07 PM

Wait...... i see the answers to motor and controller questions..... what about tires?

scottyb · 03-10-2010, 12:07 PM

......did U upgrade the cables?

03-10-2010, 10:26 AM	#1
bamarich Not Yet Wild Join Date: Jun 2009 Posts: 35	Voltage/Motor Question Maybe some of you experts can help an electrically challenged newbie out... I have recently upgraded my 05 TXT to a 48 volt system. Yesterday, I decided to replace my 8 6 volt batteries with 6 8 volt batteries with the thought that I can possibly jump up in voltage or have lighter weight to carry. Here's my question... what are my options if I figure out I need more torque or runtime with the following components in the system: * 700 amp Logisystems controller (48 volt) * EV contactor * HD F/R switch * Stock 36 volt motor
bamarich Not Yet Wild Join Date: Jun 2009 Posts: 35

03-10-2010, 10:47 AM	#2
scottyb Happy Carting Join Date: Dec 2007 Location: Southern California Posts: 73,419	Re: Voltage/Motor Question You won't need more torque imho you will have plenty. More run time can only be had by increasing your amperage storage capacity = more lead = going back to eight 6v

03-10-2010, 11:11 AM	#3
bamarich Not Yet Wild Join Date: Jun 2009 Posts: 35	Re: Voltage/Motor Question Scotty... could I do that by adding batteries to my 48 volt pack and maybe bypassing my controller? Or would that be too much for my motor?
bamarich Not Yet Wild Join Date: Jun 2009 Posts: 35

03-10-2010, 11:43 AM	#4
scottyb Happy Carting Join Date: Dec 2007 Location: Southern California Posts: 73,419	Re: Voltage/Motor Question Your motor could take more voltage but you would have to get a controller rated for the voltage you want to do. Nix on the bypass.

03-10-2010, 11:50 AM	#5
bamarich Not Yet Wild Join Date: Jun 2009 Posts: 35	Re: Voltage/Motor Question So outside of going the other direction on the batteries, would you say my best bet would be to upgrade my motor through D&D, EMP, etc.?
bamarich Not Yet Wild Join Date: Jun 2009 Posts: 35

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03-10-2010, 11:53 AM	#6
scottyb Happy Carting Join Date: Dec 2007 Location: Southern California Posts: 73,419	Re: Voltage/Motor Question You have a 48v txt ..... the one I just did has tons of torque and runs 22mph on the street with six 8v batteries.... my question is what more do you want from a golf cart

03-10-2010, 12:01 PM	#7
bamarich Not Yet Wild Join Date: Jun 2009 Posts: 35	Re: Voltage/Motor Question Unfortunately, mine doesn't quite get that kind of performance. However, it could have been primarily due to the low performance of the batteries. I'm pretty sure I'm going to be happy with the 8 volt batteries... but will have to see since they only were installed yesterday. Just checking my options in case though.
bamarich Not Yet Wild Join Date: Jun 2009 Posts: 35

03-10-2010, 12:05 PM	#8
scottyb Happy Carting Join Date: Dec 2007 Location: Southern California Posts: 73,419	Re: Voltage/Motor Question Is the cart for off-road or street use? What size tires? What motor and controller are you using?

03-10-2010, 12:07 PM	#9
scottyb Happy Carting Join Date: Dec 2007 Location: Southern California Posts: 73,419	Re: Voltage/Motor Question Wait...... i see the answers to motor and controller questions..... what about tires?

03-10-2010, 12:07 PM	#10
scottyb Happy Carting Join Date: Dec 2007 Location: Southern California Posts: 73,419	Re: Voltage/Motor Question ......did U upgrade the cables?

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