TXT electric series 48 volt conversion More Speed

Cartlifer · 02-13-2018, 02:31 PM

Well guys finally pulled the trigger on the 6:1 gears and what a difference!!
Cart new top speed has hit 45mph multiple times. As far as what I call it, she runs a constant steady 43-44 mph and that’s at full charge and lately an ambient temp of around 40 deg F. I am expecting at least that maybe a lil better as ambient temps increase!

scottyb · 02-13-2018, 02:32 PM

45 mph in a golf cart ... we will pray for you

mgray70 · 02-13-2018, 03:33 PM

Quote:

Originally Posted by Cartlifer

Well guys finally pulled the trigger on the 6:1 gears and what a difference!!
Cart new top speed has hit 45mph multiple times. As far as what I call it, she runs a constant steady 43-44 mph and that’s at full charge and lately an ambient temp of around 40 deg F. I am expecting at least that maybe a lil better as ambient temps increase!

Wow! Be careful!

Sent from my SM-G930R4 using Tapatalk

Cartlifer · 02-13-2018, 06:31 PM

Sorry was trying to post pic
And vid of the lil speed demon

cgtech · 02-13-2018, 11:31 PM

Yep, 45mph carts are sketchy....and not for everyone. Even 35 on a lifted cart gets funny.

scottyb · 02-14-2018, 08:44 AM

Quote:

Originally Posted by cgtech

Yep, 45mph carts are sketchy....and not for everyone. Even 35 on a lifted cart gets funny.

I'll go further out on the limb and say 'not for anyone'.
You got a cart designed for 14-19 mph going nearly 3 times the designed speed. The design is not adequate for these speeds. It will be unstable at best and forget stopping in a safe distance. And likely the tires are not rated for this speed either. A tire failure could be fatal as there is no crash protection.

You Tube

Jmzvet · 02-14-2018, 09:29 AM

He’ll be fine as long as a huge weighted sled doesn’t crash into him

Ryan T · 03-25-2018, 11:53 PM

Quote:

Originally Posted by JohnnieB

No offense taken, I'm glad you verified my numbers instead of taking them at face value.

For a 19.0" tire height I get 7263 RPM at 33 MPH and 7483 at 34 MPH, which I rounded up to 7300 and 7500. (BTW: I use 3.14159265358979 for pi)

Here is a good thread on gear swaps: http://www.buggiesgonewild.com/elect...xperiment.html

Terry started with a PDS cart rather than a series drive, but the principles are the same except for motor type.

Terry and I traded gear sets back then, he got a 6 to 1 set and I got his used 8 to 1 set, my ezgo pds cart back then ran 52 mph. 600a Alltrax, 48v, pq red motor

JohnnieB · 03-26-2018, 09:44 AM

Quote:

Originally Posted by Ryan T

Terry and I traded gear sets back then, he got a 6 to 1 set and I got his used 8 to 1 set, my ezgo pds cart back then ran 52 mph. 600a Alltrax, 48v, pq red motor

I'm going to stick with 12.44:1 gears, 17" tall tires and a 6500RPM max, for 26 MPH.

02-13-2018, 02:31 PM	#11
Cartlifer Not Yet Wild Join Date: May 2017 Location: Gonzales La. Posts: 8	Re: TXT electric series 48 volt conversion More Speed Well guys finally pulled the trigger on the 6:1 gears and what a difference!! Cart new top speed has hit 45mph multiple times. As far as what I call it, she runs a constant steady 43-44 mph and that’s at full charge and lately an ambient temp of around 40 deg F. I am expecting at least that maybe a lil better as ambient temps increase!

02-13-2018, 02:32 PM	#12
scottyb Happy Carting Join Date: Dec 2007 Location: Southern California Posts: 73,419	Re: TXT electric series 48 volt conversion More Speed 45 mph in a golf cart ... we will pray for you

02-13-2018, 06:31 PM	#14
Cartlifer Not Yet Wild Join Date: May 2017 Location: Gonzales La. Posts: 8	Re: TXT electric series 48 volt conversion More Speed Sorry was trying to post pic And vid of the lil speed demon

02-13-2018, 11:31 PM	#15
cgtech Over This Interview Is... Join Date: Jun 2012 Location: AZ Posts: 17,449	Re: TXT electric series 48 volt conversion More Speed Yep, 45mph carts are sketchy....and not for everyone. Even 35 on a lifted cart gets funny.

02-14-2018, 09:29 AM	#17
Jmzvet Gone Wild Join Date: Oct 2017 Location: San Diego Posts: 272	Re: TXT electric series 48 volt conversion More Speed He’ll be fine as long as a huge weighted sled doesn’t crash into him

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