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It is a little unnerving but a dragstrip is as safe as you can get at that speed. Here’s a quick overview of the kart .... https://youtu.be/HgEeEo9fZus

It’s a blast. It feels much faster than 80 because you’re so low to the ground. However the kart frame is designed for even higher speeds so it feels remarkably stable. As for the motor size, I believe you’re correct. It’s somewhat overkill. A smaller motor would be much lighter which would...

Thanks. Hope you’re doing well. Still a work in progress but it’s getting better each month.

48V A/C motor (600A max) with Curtis Controller and LG HG2 (“18650”) battery pack. https://youtu.be/b_kEQsOaJGc

Thank you sir. I really appreciate the feedback. I hope you’ve been doing well. Stay safe and healthy.

Other than having fewer RPMS, are there any problems with running the 72 V motor and motor controller (in the link below) at 60 V? It seems like this would also reduce heat since the motor would be under-volted. https://www.thunderstruck-ev.com/curtis ... -16kw.html Thanks for any comments. Gary

SOLD. Please lock discussion thread. Thanks. Gary

Proof that it is a good drivetrain. :-)

Yes Sir and thanks. I intended to sell these items previously but never got around to it. Our project involves a completely different drivetrain so these items will not be used. We have never used any of these components. 100% refund (buyer pays return shipping) if not completely satisfied...

Complete set only but free shipping within continental USA MOTOR: Motenergy ME0708 Permanent Magnet Direct Current (DC) Motor, 48V, 8 hp cont, 15 hp pk (300 amps max/100 amps continuous) CONTROLLER: Alltrax SR-48300 48V/300A. The charge controller would go in front of the driver (under the...

We are still in the "prototype" phase but our 70-mph electric karts are "Made in America" (except for the lithium ion battery pack and a few LCD displays). Check us out ... https://www.facebook.com/VenomKarts/

Thanks Sir. I appreciate your feedback as well as the responses from everyone else. Thanks. :cheers2:

I really appreciate all the feedback. You guys are great. More comments are welcome. Gary

Thanks for comment. Karts are for competition racing only on race tracks. Not for recreational use. Consensus so far is “lose the roll bar”.

Simple poll with great feedback so far. Click below if you want to register your opinion. Roll bar for 70-mph go kart.... Keep it or lose it? Thanks. https://www.facebook.com/247184812650883/posts/404112433624786?sfns=mo Gary

Everything is working great now. Thanks to everyone for their help. Going for 70 mph this weekend. Hit 54 mph with a 4 to 1 gear ratio. Check it out. https://www.facebook.com/24718481265088 ... =e&sfns=mo

I also noticed that the “Vehicle Controller Language” (VCL) was set to “on”. As soon as I moved J1-22 and J1-33 to 54V (pack voltage) and switched the VCL to “off” it worked. I really appreciate your responses as well as all of the others. You guys are great.

Others can correct me if I’m wrong but I believe that approximately 750 Watts equates to 1 hp. Therefore 7500 W would equal 10 hp.

Hey Sir. Thanks for your response. I talked to the manufacturer and they been incredibly helpful. It appears to be a shorted wire leading from the throttle pot box to the controller. I will try a few more experiments tonight. I will let you know how it turns out. Thanks again for trying to help.

Hello. I am using the Curtis Controller 1236 on my electric go kart along with a 48V AC-9 from HPEVS.com. All was working will until a few days ago. There are 35 wire ("Pin") slots which connect to the curtis controller. I have normally have Pin #25 (Red/Blue wire) connected to the...