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| Electric EZGO Electric EZ GO Marathon, Medalist, TXT and RXV. |
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05-26-2020, 07:26 AM
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#1 |
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Not Yet Wild
Join Date: Jun 2019
Posts: 18
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ezgo shuttle going slow (7 MPH) with new batteries, controller, speed sensor, etc
I have acquired what was suppose to be a cart that only needed new batteries. Long story short more or less everything had to be changed.
What has been done by Interstate Golf Cars in Hammond LA. New 8v Duracell Batteries (6) New Alltrax 48400 Controller New Solenoid New Inductive Throttle All new battery cables New Speed Sensor - this was lying on top of the motor and facing the ground. It was not in the end of the motor as i have seen in pics. New Lester Electrical on board charger Issue - The cart flies off the line all the way to 7 MPH. It has a ton of torque but no top speed. What has been done - I went into the controller and adjusted the speed range to 100%. I did not adjust the Max RPM as i did not know the max RPM of the SEPEX motor. There has been no change from the 50% on the max speed to the 100%. Could the cart think that it is in reverse and thereby limiting the max speed? Thanks! |
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05-26-2020, 07:32 AM
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#2 |
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Gone Wild
Join Date: Mar 2020
Location: CT
Posts: 320
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Re: ezgo shuttle going slow (7 MPH) with new batteries, controller, speed sensor, etc
i dont know what year or model you have, but i really came here to say you spent all that money and that's how the shop delivers it? 7MPH? that's insane
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05-26-2020, 07:38 AM
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#3 |
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Not Yet Wild
Join Date: Jun 2019
Posts: 18
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Re: ezgo shuttle going slow (7 MPH) with new batteries, controller, speed sensor, etc
They drove it around front and lined it up to put it on the trailer. They told me it ran amazing and would be really fast and fun if i put a 12hp motor on it vs. keeping the stock motor since i had got the 400amp Alltrax.
Cart Info: Model - SHTL 4/6 ELE Date Code - C0607 Nom Power HP/KW - 15.2 / 11.30 Motor Info: Advaced Motors and Drives Part No: 73291G04 2nd Part No: DV1-4001 48v Serial No: Class H 7607 |
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05-26-2020, 08:39 AM
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#4 |
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Not Yet Wild
Join Date: Oct 2019
Location: Gilbert Sc
Posts: 26
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Re: ezgo shuttle going slow (7 MPH) with new batteries, controller, speed sensor, etc
What rpm is the motor set too?
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05-26-2020, 08:40 AM
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#5 |
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Not Yet Wild
Join Date: Jun 2019
Posts: 18
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Re: ezgo shuttle going slow (7 MPH) with new batteries, controller, speed sensor, etc
6000 rpms
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05-26-2020, 08:48 AM
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#6 |
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Not Yet Wild
Join Date: Oct 2019
Location: Gilbert Sc
Posts: 26
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Re: ezgo shuttle going slow (7 MPH) with new batteries, controller, speed sensor, etc
How about throttle %? I know ScottyB said it takes a few tries for the controller to learn it. id wait and let either scott or johnny chime in though. Pics of the toolkit might help.
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05-26-2020, 09:01 AM
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#7 |
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Not Yet Wild
Join Date: Jun 2019
Posts: 18
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Re: ezgo shuttle going slow (7 MPH) with new batteries, controller, speed sensor, etc
I cant get to photobucket to get the pics uploaded.
Controller Info: Model - XCT48400-OEMG19 Revision 3 Firmware - V5 XCT - Volatge Rating - 48V Current Rating - 400Amps Field Rating 50Amps KSI On Voltage - 24 Volts Under Volt - 38.5V Over Volt - 62V Max Motoring Arm Amps - 400 Max Motoring Battery Amps - 400 Max Regen Arm Amps - 64 Max Regen Battery Amps - 64 Plug Braking Current - 250.3 Amps Max Reverse Motor Speed - 100% Speed Limit - 6000 RPM Throttle Rate - 100% Turbo is checked off Drive Style - Street Field Map Loaded - DV1-4001-V1 Misc Settings - Enable Speed limit - Checked Speed Sensor - 8 Pole |
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05-26-2020, 10:59 AM
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#8 | |
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Techno-Nerd
 Join Date: Jun 2011
Location: West Virginia
Posts: 19,654
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Re: ezgo shuttle going slow (7 MPH) with new batteries, controller, speed sensor, etc
Quote:
Try it with speed sensor set to 4 Pole. ------------- What is your tire height? (stock is 18" tall) Specs indicate a shuttle-4/6 has a 14.7:1 gears and 18" tall tires, so at 7MPH the motor is only spinning at 1922RPM. --------------- If your motor is like most stock, standard speed, EZGO motors, it will max out at about 5600RPM, which is about 20MPH with 14.7:1 gears and 18" tall tires, but there are many other factors that determine top speed. Also, with the heavy cart, it may be a high torque motor, which is not as fast as a standard speed, but it still ought to e faster than the top speed with a stock controller, which is 13.5MPH. ---------- Record a data log and post it here. (Continuous sample rate) Zip the .csv file and post the resulting .zip file. |
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05-26-2020, 07:25 PM
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#9 |
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Not Yet Wild
Join Date: Jun 2019
Posts: 18
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Re: ezgo shuttle going slow (7 MPH) with new batteries, controller, speed sensor, etc
The turbo is checked off (on) and i did try the speed sensor on both settings no change in speed.
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05-26-2020, 07:33 PM
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#10 | |
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Techno-Nerd
Join Date: Jun 2011
Location: West Virginia
Posts: 19,654
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Re: ezgo shuttle going slow (7 MPH) with new batteries, controller, speed sensor, etc
Quote:
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