Lost a little MPH

skipsmith521 · 10-26-2016, 04:53 PM

I have a XCT 400 controller and motor replacement done 4 months ago...

I have noticed that I have lost 1 to 2 MPH on the top end.

Batteries are about 8 months and charge up full...they have been well cared for...

I was at 23 or 24 and now getting around 21 mph...

It's not a real big deal, but where would I look for the difference or troubleshoot?

Thx

Sent from my Nexus 6 using Tapatalk

Sir Nuke · 10-26-2016, 05:18 PM

start simple......check the air pressure in your tires.

teecro · 10-26-2016, 05:23 PM

Quote:

Originally Posted by Sir Nuke

start simple......check the air pressure in your tires.

After that check for brake and/or bearing drag...

kernal · 10-26-2016, 05:59 PM

Cooler weather. Windshield up or down. Are you putting on your winter weight?

seriously: Tire pressure could be the problem

JohnnieB · 10-26-2016, 06:06 PM

Also, batteries don't have as much storage capacity in cooler weather, so the voltage drops more under load.

Save a data log file and check what the battery voltage is dropping to when at max amp draw.

Hopefully, you saved a data log from when the cart was running at peak performance for comparison.

10-26-2016, 04:53 PM	#1
skipsmith521 Gone Wild Join Date: Dec 2015 Location: Texas Posts: 526	Lost a little MPH I have a XCT 400 controller and motor replacement done 4 months ago... I have noticed that I have lost 1 to 2 MPH on the top end. Batteries are about 8 months and charge up full...they have been well cared for... I was at 23 or 24 and now getting around 21 mph... It's not a real big deal, but where would I look for the difference or troubleshoot? Thx Sent from my Nexus 6 using Tapatalk

10-26-2016, 05:18 PM	#2
Sir Nuke Master of All Things Join Date: May 2013 Location: West Columbia, Texas Posts: 17,995	Re: Lost a little MPH start simple......check the air pressure in your tires.

10-26-2016, 05:59 PM	#4
kernal Gone Wild Join Date: Jul 2010 Location: Peachtree City, Ga. Posts: 2,759	Re: Lost a little MPH Cooler weather. Windshield up or down. Are you putting on your winter weight? seriously: Tire pressure could be the problem

10-26-2016, 06:06 PM	#5
JohnnieB Techno-Nerd Join Date: Jun 2011 Location: West Virginia Posts: 19,654	Re: Lost a little MPH Also, batteries don't have as much storage capacity in cooler weather, so the voltage drops more under load. Save a data log file and check what the battery voltage is dropping to when at max amp draw. Hopefully, you saved a data log from when the cart was running at peak performance for comparison.

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