I need more torque

shaffer88 · 06-02-2014, 10:47 PM

Motor swap done deal. If your accepting the loss in mph then that's what's needed. With 500 amps I can pull my front end up an inch or so! I'm getting 22-23 and 23 in tires. 509 amp are more than enough you just need the right combo of the rest and a motors can dial you in with less work

branson · 06-03-2014, 11:11 AM

I've been thinking about this a while. I reprogrammed the controller because I upgraded to 48 volts. I wonder if something got messed up in there. The cart was broken for a few months I know it is definitely faster at 48 but it almost seems like less torque than 36 but only right off the line. it will pull pretty hard at 5 mph.
I bench programed the controller because the lap top battery is shot,otherwise I would have checked a while ago.

sportcoupe · 06-03-2014, 04:16 PM

Check and/or adjust throttle up and down rate.

financethis · 06-03-2014, 04:32 PM

12.5 is how they come from the alltrax factory.
much more than 15 or so and I think you will be wasting energy.

sportcoupe · 06-03-2014, 04:45 PM

I don't ever remember seeing a throttle up rate of 12 and down of 5 from the factory.

From Alltrax AXE operators manual:

Throttle Up Rate
This slider adjusts the rate at which the controller increases it’s output current in response to an increase in throttle position. 1 is the slowest, 15 the fastest.

Throttle Down Rate
This slider adjusts the rate at which the controller reduces it’s output current in response to a decrease in throttle position. 0 is the slowest, 15 the fastest. It is recommended that this parameter typically be set to twice the value of the throttle up rate, when throttle up rate is less than 7. Lower values of Throttle Down Rate can result in the vehicle feeling as if their were a large flywheel connected to the motor.

financethis · 06-04-2014, 10:22 AM

oh. I have a spm48400 and 12.5 is the factory set. maybe its different on the axe

branson · 06-04-2014, 11:01 AM

I have the axe 4855 I think. I just finished hooking up the forward and reverse contactor last night. Now I can put that in neutral So I can bring the laptop and an extension cord to the cart. I will try if I have time tonight

branson · 06-12-2014, 08:49 PM

I was able to put the computer on the controller. I maxed the throttle down rate and put the throttle up at 7. It does seem a little faster but in think a motor will be in my future. As soon as the funds catch up

06-02-2014, 10:47 PM	#11
shaffer88 Gone Wild Join Date: May 2013 Posts: 552	I need more torque Motor swap done deal. If your accepting the loss in mph then that's what's needed. With 500 amps I can pull my front end up an inch or so! I'm getting 22-23 and 23 in tires. 509 amp are more than enough you just need the right combo of the rest and a motors can dial you in with less work
shaffer88 Gone Wild Join Date: May 2013 Posts: 552

06-03-2014, 11:11 AM	#12
branson Not here yet Join Date: Sep 2013 Location: jupiter florida Posts: 504	Re: I need more torque I've been thinking about this a while. I reprogrammed the controller because I upgraded to 48 volts. I wonder if something got messed up in there. The cart was broken for a few months I know it is definitely faster at 48 but it almost seems like less torque than 36 but only right off the line. it will pull pretty hard at 5 mph. I bench programed the controller because the lap top battery is shot,otherwise I would have checked a while ago.

06-03-2014, 04:16 PM	#13
sportcoupe Gone Wild Join Date: Sep 2012 Location: Savannah, GA Posts: 2,760	Re: I need more torque Check and/or adjust throttle up and down rate.

06-03-2014, 04:32 PM	#14
financethis Gone Wild Join Date: Jul 2013 Location: kansas city, mo Posts: 323	Re: I need more torque 12.5 is how they come from the alltrax factory. much more than 15 or so and I think you will be wasting energy.

06-03-2014, 04:45 PM	#15
sportcoupe Gone Wild Join Date: Sep 2012 Location: Savannah, GA Posts: 2,760	Re: I need more torque I don't ever remember seeing a throttle up rate of 12 and down of 5 from the factory. From Alltrax AXE operators manual: Throttle Up Rate This slider adjusts the rate at which the controller increases it’s output current in response to an increase in throttle position. 1 is the slowest, 15 the fastest. Throttle Down Rate This slider adjusts the rate at which the controller reduces it’s output current in response to a decrease in throttle position. 0 is the slowest, 15 the fastest. It is recommended that this parameter typically be set to twice the value of the throttle up rate, when throttle up rate is less than 7. Lower values of Throttle Down Rate can result in the vehicle feeling as if their were a large flywheel connected to the motor.

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06-04-2014, 10:22 AM	#16
financethis Gone Wild Join Date: Jul 2013 Location: kansas city, mo Posts: 323	Re: I need more torque oh. I have a spm48400 and 12.5 is the factory set. maybe its different on the axe

06-04-2014, 11:01 AM	#17
branson Not here yet Join Date: Sep 2013 Location: jupiter florida Posts: 504	Re: I need more torque I have the axe 4855 I think. I just finished hooking up the forward and reverse contactor last night. Now I can put that in neutral So I can bring the laptop and an extension cord to the cart. I will try if I have time tonight

06-12-2014, 08:49 PM	#18
branson Not here yet Join Date: Sep 2013 Location: jupiter florida Posts: 504	Re: I need more torque I was able to put the computer on the controller. I maxed the throttle down rate and put the throttle up at 7. It does seem a little faster but in think a motor will be in my future. As soon as the funds catch up

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