Nothing says summer time fun than a home-built go-kart that can race down the driveway with just as much thrill as two story roller coasters.

A go-karts (also called "go-cart") can be gravity powered (without a motor) or include electric or gas powered motors. The gravity powered kind are also known as Soap Box Derby racers, and are the simplest kind to make since all you need is wheels, a frame, and a good hill (and a helmet!).

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8 Responses to “Gravity Powered Go-Kart”

  1. That would be fun! Yes, but that’s an ENTIRELY different project, that’s going to need all kinds of other things upgraded, including steering, seat belts, brakes, and chassis.

  2. talaljabari says:

    is there a way to attach a lawnmower motor to that

  3. Oops! Sorry for the typo. It’s a 4-1/2 bolt… 🙂 I’ve corrected the website and the download.

  4. Niurca Fernandez says:

    How long should the hex bolt be, you mention 1-1/2″ , seems too short since you your boards are 2 inches wide.advise please,thx

  5. Probably so. Our wheels were actually TOO fast, which is why we used the less steep driveway. You want wheels that spin pretty freely on their own.

  6. Ann Webster says:

    The wheels we got did not have rubber and I think were made for indoor use and as a result the cart doesn’t go much at all? We have a long driveway at least twice as steep as the one shone and the cart hardly moves…..wheels probably, ya think?

  7. They are 5″ wheels from Home Depot, but I’ve also found them at Lowe’s and a local family-owned hardware store as well as an obliging cart that we found abandoned on the side of the road.

  8. Vickie Raper says:

    Where do you get wheels for the project?

    thanks,Vickie