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Unread 06-12-2019, 07:55 PM   #1
Not Yet Wild
E-Z-GO
 
Join Date: May 2019
Posts: 20
Default Speed?

I upgraded my 1996 EZGO TXT Series cart and I have it running 36volts. It maxes out at 16mph my question is when I switch over to 48 volt in the next few weeks will it get me up to 20mph?

I a running Alltrax Sr48500 controller, 400 amp solenoid, HD F&R, plum quick bandit rewound for torque, and 6 trojan six volt t 105s. Batteries show 38.2 volts when fully charged. 5" lift, 22 inch tires.
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Unread 06-12-2019, 09:39 PM   #2
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cgtech's Avatar
Yamaha
 
Join Date: Jun 2012
Location: AZ
Posts: 13,817
Default Re: Speed?

48v will get a 33% increase in voltage, torque, and speed.

16+5.33= 21.33 mph based on assumption that your 16.00 mph speed was totally accurate.

According to the math alone, you should be good. Tire rolling resistance and wind resistance increases with speed.
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Unread 06-13-2019, 06:41 AM   #3
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E-Z-GO
 
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Location: Buford, GA
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Default Re: Speed?

Quote:
Originally Posted by cgtech View Post
48v will get a 33% increase in voltage, torque, and speed.

16+5.33= 21.33 mph based on assumption that your 16.00 mph speed was totally accurate.

According to the math alone, you should be good. Tire rolling resistance and wind resistance increases with speed.
And it's not linear, but at lower speeds you'll be really close. After those upgrades, you'll have a really powerful drive train, ready for larger tires, if speed is important. With the motor in my sig, I get around 25 mph on flats. I don't have anything flat long enough where I live to be sure, but it is less than 30 and more than 25 on stock tires. If you go with larger tires, be sure to monitor motor temperature. Mine on stock tires with three additional passengers would get borderline too hot when we drove nonstop up and down gentle hills. You can use an IR gun.
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Unread 06-13-2019, 10:21 AM   #4
Not Yet Wild
E-Z-GO
 
Join Date: May 2019
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Default Re: Speed?

I have 22" on it now so I'm sure I'll be around 20 mph when done. Thanks for all the help to everyone. I'll update it when I get it all put in next week or so.
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Unread 06-13-2019, 11:22 AM   #5
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Location: Southern California
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Default Re: Speed?

Updates are great Other users will read this wanting to know what the answer is.
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Unread 06-20-2019, 07:33 AM   #6
Not Yet Wild
E-Z-GO
 
Join Date: May 2019
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Default Re: Speed?

Got the 48 volts hooked up yesterday and during my test run hit 20 mph with me and 2 of my sons (5 year olds) on it. I am hooking up the on board charger today and will up date once I get a full charge on all the batteries. The new added 2 T105s haven't been charged by me yet. The cart definitely has more power from start up. Torque is way better.
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