08-18-2014, 12:24 PM | #1 |
Gone Wild
Join Date: Nov 2013
Posts: 706
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Lifted PDS
Looking at lifting a pds and i know some people have problems with their stock controller over heating, If i put the freedom hill chip in it will it help the cart from over heating or would it be better to not put a chip at all in it?
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08-18-2014, 12:27 PM | #2 |
Happy Carting
Join Date: Dec 2007
Location: Southern California
Posts: 73,418
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Re: Lifted PDS
You will need to upgrade to an Alltrax 400 DCS control unless you are operating on FLAT ground, in which case use no chip for max torque.
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08-18-2014, 01:09 PM | #3 |
Gone Wild
Join Date: Jan 2012
Location: Jarrettsville, MD
Posts: 326
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Re: Lifted PDS
I'm going to jinx myself, but here goes anyway. I have run 23x10.50-12 tires on my stock PDS controller for over 2 years now with no problem. It has been run slow in the grass quite a few times and the controller built quite a bit of heat, but it still seems to be running strong. I was kinda hoping that it would fail a year ago so I had an excuse to replace it, but it just keeps hanging on.
I will say that most of my travels are on paved or gravel roads in the neighborhood and campgrounds, but still very hilly terrain. I think it is a roll of the dice at best. Basically if your controller is going to have an issue with the load you are placing on it, it doesn't matter which mode you run it in. Put the wheels and tires on it that you want and then start saving up for your future controller upgrade! |
08-18-2014, 02:04 PM | #4 | |
Techno-Nerd
Join Date: Jun 2011
Location: West Virginia
Posts: 19,654
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Re: Lifted PDS
Quote:
2. When I was running a stock PDS controller on stock height tires at 36V, I never noticed any difference in the torque in the various modes. Just different top speeds and amount of regen braking. (See attached chart) However, I did notice a slight increase in low end torque when I replaced all 10 of the stock 4Ga cables with 2Ga silver soldered ones, and the stock cable were only about 3 years old at the time and looked good. |
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08-18-2014, 02:07 PM | #5 | |
Techno-Nerd
Join Date: Jun 2011
Location: West Virginia
Posts: 19,654
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Re: Lifted PDS
Quote:
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08-18-2014, 02:43 PM | #6 |
Gone Wild
Join Date: Jan 2012
Location: Jarrettsville, MD
Posts: 326
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Re: Lifted PDS
LOL you have been telling me that for 2 years , JohnnieB! I was trying to hold out until next year, but I think I just worked a deal to cash out some unused vacation time without penalty. If that gets the final approval Thursday, I will be contacting Scotty next week to get a 500 amp Alltrax ordered.
The cart is still performing flawlessly, but we are headed to Disney in November and I'm a little paranoid about the controller either going south just before or during our trip. The cart provides 20-25 miles of transportation daily for us at Disney so I think getting the controller sooner rather than later is a worthy investment! I'd hate to waste $200 or more on a rental cart to finish the week out! P.S. - I concur that there is no perceivable difference in torque between the different modes. |
08-18-2014, 03:06 PM | #7 | |
Techno-Nerd
Join Date: Jun 2011
Location: West Virginia
Posts: 19,654
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Re: Lifted PDS
Quote:
With a stock motor and 23" tires, you might want to back off on the max amps bit, but I suspect you aren't much of a lead foot since you haven't burnt out the stock PDS controller. Thanks for the info about no change perceived torque. I wasn't 100% sure because I've always ran small tires. With 23" tires, the difference would be far more noticeable. |
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08-18-2014, 03:26 PM | #8 |
Gone Wild
Join Date: Jan 2014
Location: South Georgia
Posts: 1,120
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Re: Lifted PDS
I would not work on a working cart. It may not work when you get through working on it. Have a plan but wait until you finish burning it out.
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08-18-2014, 03:40 PM | #9 | |
Gone Wild
Join Date: Jan 2012
Location: Jarrettsville, MD
Posts: 326
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Re: Lifted PDS
Quote:
The plan for the 500 is to only run it at 400 until the factory smoke escapes the stock motor. I just want to go with 909 and only make the purchase once instead of going 400 and being disappointed. I don't know how much the stock motor will take, but foot only knows 2 positions when on the pedal! I do try to be aware of how much I am abusing the controller now so that may be some of its longevity. I try to avoid driving slow and crawling around for extended periods off road. |
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08-18-2014, 03:42 PM | #10 |
Gone Wild
Join Date: Jan 2012
Location: Jarrettsville, MD
Posts: 326
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Re: Lifted PDS
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