33-35 mph

[kojo]

Who here is running a EZGO PDS @33-35mph(or better) WITHOUT high speed gears. If so what kind of motor are you running and how's the range and run-time on it. Thanks guys for any input.

[sportcoupe]

Need more info for your goals. Stock tires or bigger is of MAIN importance in obtaining mph (rpm). Voltage plays heavily in the calculations as well.

A cart with stock tires and gears will need a motor that turns ~8500 rpm to run 35 mph.

A lifted cart with 23" tires will need a motor to turn ~6300 rpm to obtain the same 35 mph.

The 8500 rpm isn't going to happen and even the 6300 is up there on a PDS cart.

Gears, IMO, are mandatory in going 35. At least 8:1 or even 6:1 depending on your answers.

[JohnnieB]

With the setup listed in my signature block below, on a level hard surface, my motor maxes out at about 6500 RPM at 42V on 18.3" tires. That gives me about 28MPH. If I lifted the cart and installed 23" tires, I'd get 35.8MPH mathematically, but I doubt if I still be able to spin the motor at 6500RPM with 42V on the taller tires. On the other hand, if I upped the pack to 48V, I'm pretty sure I could.

One of the reasons I'm not likely to go to 48V any time soon is because I'm not going to install taller tires any time soon and I want to keep my motor under the 6500RPM max D&D suggested. As it is, all it takes is an ever so slight downhill grade to exceed it. Since most roads around here have a grade of some kind, I'm considering running a tachometer off the motor speed sensor and setting the shift light at 6500.

[Jd62]

If i'm doing 20 mph with regular golf cart tire how fast i can go with 23’ tire

[JohnnieB]

Originally Posted by Jd62

If i'm doing 20 mph with regular golf cart tire how fast i can go with 23’ tire

Mathematically, about 320 MPH.

However, with 23" tires it would be about 26MPH, less the increased drag and torque loss caused by the taller tires.

[Great white north]

35 mph on a electric golf cart !! ,, you better upgrade the brakes as well
I would just get a ATV and be done with it , because speed is addictive
We always have a need for speed
Cheers!

[kojo]

Sportcoupe, mine's lifted with 23" tires. I was hoping maybe could do it w/out gears. I was thinking that speed might be pushing the limitations w/ the stock gearing. JohnnieB. I can probably get 28-30 w/ a Bandit upgrade from PQ, the way Robbie talked. Looks like that's the best and cheapest way to go. Yea GWN speed is addictive, that's for sure. I like the quitness of a golf cart vs. the loudness of a 4-wheeler or dirtbike. Been down that road before, years ago.I knew once that dat blame Speedy Mcgreedy bug bit me it was gonna itch real bad.

[Sir Nuke]

KOJO, you can see my set up in my sig as well, and I do not have high speed gears......I run 27 mph on flat ground.....and I am only at 36v. If I were to make the jump to 48v.....Mathematically, 35.5 mph. in my current configuration....my range is between 25 to 30 miles, depending on the temp.

[sportcoupe]

Nuke, kojo has a PDS cart.

[Jd62]

Originally Posted by JohnnieB

Mathematically, about 320 MPH.

However, with 23" tires it would be about 26MPH, less the increased drag and torque loss caused by the taller tires.

Thank johnnieB for the info