Is an ATV rally a good fit for our seasonal nudist campground?
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By Cliffampranch
Hi All,
I have a 14 mile round trip on level roads to reach the property where I work with my 2025 Amp Crew Ranch (purchased, April 2026). That 14 mile round trip uses 60% of the battery as shown on the gage for a calculated range of 23.3 miles versus an advertised “up to 50 miles” range. A mile or two working on the property gets me a flashing gage and warning beeping by the time I get home. The dealer was good to work with and even with a new battery (yesterday) the results were about the same, although there seemed to be more power and a higher top speed. I own a Mach-e Mustang so I am familiar with how various conditions affect range, but less than 50% of advertised range just seems like there has to be something out of whack.
Now I’m wondering if there is a controller and/or software issue affecting the range and performance. At various points the Amp seems to lose power for no reason and then has trouble maintaining speed. Any ideas?
Also, twice now, the brakes seem to have not released fully. After noticing reduced speed, I stopped and check the rotors and wheel…..HOT! So, now every time I feel less power, I stopped to cycle the brakes and check the temperature. Very annoying. Are there any adjustments to be had?
And yes, as noted in another post, sometimes the switching from forward to reverse or high to low speed feels sluggish or balky.
Lastly, while an electric vehicle powertrain is quiet, my Amp was horrible from a road noise and vibration standpoint. This was easily fixed by locating panels vibrating on other panels or the frame (even the cup holders were vibrating) and installing felt adhesive pads at the contact points (seat to frame, windshield to frame, fenders to frame, etc.). This is a $10 and 1/2 hour fix that makes a significant improvement in the driver/passenger experience. Tire noise, yes, but that’s because of the knobby tread.
I’m trying hard to like my Amp and would appreciate any tips, advice or solutions.
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By rdc
I posted this before , but I had the year wrong. The part I need is for a 2014, I don't know what all years will work, but I need the 2 bearing style with the spacer in the middle. It looks like this pic. If anyone has one I'll buy it rite away. my email is [email protected]. Thanks, RC
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By rdc
Hope I posted this in the right place. Looking for the left side shaft carrier where the rear bearings go for an 1100cc sand viper, I understand an 800 cc carrier will also work. I need the old style two bearing with the spacer in the middle, the new style with just the one wide bearing wont work. If anybody has one I'll buy it right away. my email is [email protected]
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By gridlock
After three years, my Sector completely died. Something caused the hot wire under the seat from the charger to disintegrate, so the batteries weren't being charged. The batteries weren't charging 100% anymore, so decided to convert to lithium.
As most others have done, I went with 4-48v batteries in parallel, as I believe that will be plenty of amp-hours for my needs, but can always add more if needed. I went with LiTime wired CAN batteries and mounted their digital gauge on the dash above the current one, which fit perfectly. I didn't think the existing battery brackets worked well for the new batteries, so made my own out of aluminum L rails, which makes it much more secure (and saves a few more ounces :)). Since I wired them in a 'balanced' configuration, I had to make all new cables from 0/1 gauge wire and 8mm posts. I updated the DeltaQ charger to profile 233. Cleaned everything up (I must have vacuumed 20 pounds of dirt!), put it all together and... wham!
So far, it definitely is better than with the original AGM batteries. Sustains speed better going up hills, and seems to have plenty of reserve current. The difference in weight with 4 LiPo vs 8 AGM batteries surely doesn't hurt!
Thanks to everyone on this forum, but special shoutout to GNFO who was a big help.
A few questions:
In the 'any tips' thread, EVSupport mentioned reprogramming the Sevcon to reflect the new discharge curve of the lithium cells, but I didn't see any more info about that or how to do that. Is there any more info about that?
Have folks replaced the onboard 12v battery, and if so, with lithium? I'm not sure why there is a 12v battery; why didn't they just step down the current of the 48v system to provide power to accessories?
Is there a recommendation as far as charging with the lithium conversion? As far as I understand, it is better to let lithium batteries discharge somewhat (but not completely) than keep them charging all the time. What do you think?
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By CKfrustration
I have a Hisun Sector E1 UTV. Worked pretty good for a while but then started to run into issue with gear grinding noise. Will not engage in forward or reverse. When put into forward or reverse and press pedal can hear a whiring noise as if something is supposed to be engaging but is not. Occasionally it will grab in jolt forward momentarily but then ceases. No error warnings or codes given. Due to money restrictions, I really need to fix this myself. Has anyone had this problem and what could it be that is needed. Any help is appreciated. Thank you!
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