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Neurotikart II - First Ride

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Finally, the first ride of the new kart. Better motor, better controller, more power. I won't rule out future tweaks and improvements, but this is the first time rubber hits the road.Update:Neurotikart 2 is powered by a D&D model ES-33 motor, which can be found at Electric Vehicles USA for about US$650. I'm sure there are other places, but I use EVUSA. The controller is an Alltrax model AXE-7234, which runs 72v and 300A. Final drive was originally chain and sprocket, but I've upgraded to toothed rubber belt, sort of like what's used on some motorcycles. The frame is primarily iron pipe, and the kart weighs about 500 lbs. The batteries are Optima Yellow Top D34, and there are six of them. The kart now has a functioning trailer hitch, and I've used it to pull about 1000 lbs of payload around (at low speed) for over two hours without recharging. The first motor on the Neurotikart 2 was a Perm PMG-132, which cost around $900. It burned up after less than 8 hours of service. Perm motors just can't take the heat.If you're interested in building a kart like this and using new (rather than used) motor and controller, plan on spending from US$3000 to over US$4000 in parts alone. It takes me about 2 months of my free time (evenings and weekends) to fabricate a kart. A cheaper and easier option would be to locate an existing gokart and convert it. The cost of bolt on parts like wheels, axles, and steering components adds up quickly, so an existing kart would provide a "running start" toward a finished electric kart. I've considered commercializing these karts, but with such high cost, it's difficult to find serious interest. So until the costs can come way down, it's just my own little waste of time and money.

Channel: Howto & Style
Uploaded: December 31, 1969 at 6:59 pm
Author: wires99

Length: 05:01
Rating: 4.78
Views: 20001

Tags: electric  gokart  Neurotikart  

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Video Comments

bobmaniac23 (December 31, 1969 at 6:59 pm)
How do you find the right type of motor? And how did you find this one?
xsnowboarder93x (December 31, 1969 at 6:59 pm)
im surprized that you wip that thing around and arnt afaid of it tipping?
blossom935 (December 31, 1969 at 6:59 pm)
can u please tell me where to find cheap electric go karts from?
wires99 (December 31, 1969 at 6:59 pm)
I hate to say it, but NK2 cost a bunch - for what it cost to build, you could buy an ok used regular car. There probably isn't a "good price" for something like this.As for Neurotikart III, it was built as a rolling chassis and sold. It's a slightly improved version of NK2.I'm currently researching a yet-to-be-unnamed electric vehicle. The goal is more power, less weight.
gMixr (December 31, 1969 at 6:59 pm)
Three questions: How much did it cost you at the most for the Neurotikart II? Would you be willing to create another Neurotikart II for a good price? Also, how are the looks on a Neurotikart III?Thanks alot, and this Go-Kart is personally my favorite Go-Kart I have ever seen!
1Addicted (December 31, 1969 at 6:59 pm)
Nice helmet BOZO.
wires99 (December 31, 1969 at 6:59 pm)
Both of my Neurotikarts use a standard 5k ohm "pot box" like what's used in a golf cart. This is a standard for most motor controllers of this type. There are also hall-effect throttles, but I use the old pot. The only disadvantage of a pot is that it wears over time, which makes the pot "noisey". The effect is slight jumpy-ness of the throttle at low speeds as the pot ages. I'm considering an upgrade to hall, which shouldn't do this.
velvetjones810 (December 31, 1969 at 6:59 pm)
What type of throttle was used on the NK2?
wires99 (December 31, 1969 at 6:59 pm)
Golf cart motors are normally meant to bolt up to the cart differential, which provides the cover and bearings to support the output side of the motor shaft. I have a small lathe, and I turned the faceplate, a shaft, and a carrier for a pair of bearing cartridges to support that end of the motor. The NK2 has a more normal output shaft and faceplate configuration (I purchased a new motor). Unless you have a machine shop, it's not worth using a golf cart motor and having parts made.
andrewwassef (December 31, 1969 at 6:59 pm)
i have recently purchased a golf cart motor and i was wondering how you spun the aluminum plate to match up with the motor

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