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01-12-2020, 10:40 AM | #1 |
Not Yet Wild
Join Date: Jul 2019
Posts: 7
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Program change for Increased Tire Diameter?
I replaced the stock tires/wheels on my 2015 RXV. The new tires are 20 inches in diameter. I chose that size based on BobBoyce's recommendation of no more than 20.5 inch diameter tires with a stock controller.
Thanks to many in this forum I was able to make a cable and have access to the parameters in the stock Curtis 250amp controller. Is there a parameter that I should change in the controller now that the final drive ration has changed? I would like to get as much torque as possible as I drive up and down some pretty steep hills. I'm not as concerned about increasing top speed although that would be a nice bonus. |
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01-12-2020, 02:13 PM | #2 |
Gone Wild
Join Date: Dec 2009
Location: Aiken, SC
Posts: 13,187
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Re: Program change for Increased Tire Diameter?
What access does your cable give you? There are some limits you can change but need developer mode to do it.
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01-12-2020, 04:31 PM | #3 | |
Gone Insane
Join Date: Oct 2015
Location: TN/NC/GA Tri-state area
Posts: 3,952
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Re: Program change for Increased Tire Diameter?
Quote:
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01-12-2020, 05:45 PM | #4 |
Not Yet Wild
Join Date: Jul 2019
Posts: 7
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Re: Program change for Increased Tire Diameter?
I have developer level access.
Sent from my SM-G955U using Tapatalk |
01-12-2020, 05:57 PM | #5 | |
Not Yet Wild
Join Date: Jul 2019
Posts: 7
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Re: Program change for Increased Tire Diameter?
Quote:
I have ordered a spare controller off of ebay. It is open box but supposedly unused. I don't want my cart out of commission any longer than necessary. After I install the spare controller and verify it is functional I will probably take you up on your generous offer. In the meantime, I was hoping there would be a setting that I could change to increase the torque. It is more noticeable than I thought it would be after installing the larger diameter tires. |
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01-12-2020, 06:02 PM | #6 | |
Not Yet Wild
Join Date: Jul 2019
Posts: 7
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Re: Program change for Increased Tire Diameter?
Quote:
I would be interested in what settings you recommend changing to increase torque. The cart slows down a little going up steep hills with the larger diameter tires. It did not do that with the stock tires. |
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01-12-2020, 11:21 PM | #7 |
Gone Wild
Join Date: Dec 2009
Location: Aiken, SC
Posts: 13,187
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Re: Program change for Increased Tire Diameter?
Well you are farther than me. I have developer access with mine but not sure what your other settings are and please don’t post them here. Curtis is already ticked at the world. That said Bob is the man that knows these controllers inside and out. If you get him to modify one for you it will be a good experience.
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01-12-2020, 11:32 PM | #8 | |
Not Yet Wild
Join Date: Jul 2019
Posts: 7
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Re: Program change for Increased Tire Diameter?
Quote:
Finding information on the various settings is proving to be difficult. Is there a manual available somewhere? Sent from my SM-G955U using Tapatalk |
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01-13-2020, 03:40 PM | #9 | |
Gone Insane
Join Date: Oct 2015
Location: TN/NC/GA Tri-state area
Posts: 3,952
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Re: Program change for Increased Tire Diameter?
Quote:
Obviously, I do not give out the details in open forums on how to properly modify these controllers. I may no longer agree with the Curtis business model, but I still respect them as a business that I was once close with. I wish them no harm. The forum messages are crawled through by the search engine bots, so anything on the forums will turn up on search engine results. This is why I stopped posting updates on the Programming Curtis Controller thread. Bob |
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01-13-2020, 05:23 PM | #10 | |
Not Yet Wild
Join Date: Jul 2019
Posts: 7
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Re: Program change for Increased Tire Diameter?
Quote:
This forum has been very helpful and I'm extremely thankful to members such as yourself. |
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