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Awesome project. Thanks for sharing information.

Thanks. It’s truly addictive. I can’t tell you the number of times I’ve been late for dinner because I’m in the kart doing crazy stuff. :-)

That's awesome. Once we worked out the software error codes on the Curtis controller, it became a very simple product to operate. I see that you are in California. We use a drivetrain kit from High Peformance Electric Vehicles (HPEVS) which is also in California. They have some awesome A/C...

So this video is a little cheesy, but it does show an actual 1/4 mile run at the Carolina Dragway. We eventually hit 100 mph ...

IP69 ingress protection is very impressive.

New to forum so I hope this of interest. This is the Vextrek electric go kart powered by an AC-9 Motor from HPEVS.com and 1238E Curtis Controller. Lithium battery pack is 22S/21P consisting of INR Samsung 25R cells which are connected with .25 pure copper bus bars. Maximum current is about...

Thanks for the shout out. 👍 Vextrek, LLC is located in Augusta, GA and we have a Sunstone Pulse Arc welder which can spot weld pure copper to cylindrical lithium ion cells. We can spot weld packs in a variety of configurations so let us know if you are in need of a replacement back for your...

3-minute video of our equipment and sample battery pack

Thanks for allowing us to join the forum. Vextrek, LLC is located in Augusta, GA and we have a Sunstone Pulse Arc welder which can spot weld pure copper to cylindrical lithium ion cells. We can spot weld packs in a variety of configurations so let us know if you are in need of a replacement...