British Inventor Builds Electric Bike That Rides on One Ball

When most engineers solve a problem, they move on to the next challenge. British inventor James Bruton solves problems nobody asked him to solve, then makes them harder just to see what happens.

His latest creation is an electric bike that balances its entire frame and rider on a single bright red ball. The machine stays upright using three custom motor-powered wheels that grip the sphere from above, spinning at different speeds to control movement in any direction.

Bruton already built a two-ball version that worked perfectly fine. The logical next step in his mind was to remove one ball entirely and see if physics would cooperate. Spoiler alert: physics had opinions.

The engineering behind the balance is genuinely impressive. Three motors rated at 2,000 watts each drive custom omni-wheels mounted vertically around the ball's upper surface. Each wheel contains two rows of 18 tiny passive rollers, creating a system with 216 individual rolling parts that all need to work together.

A computer controller reads tilt data dozens of times per second and adjusts all three motors simultaneously to keep the bike upright in every direction at once. It's the same principle that keeps a two-wheeled Segway balanced, except now it has to work in a full 360-degree circle.

The current version has two delightfully absurd problems. First, Bruton discovered the one-ball design is "simply uncontrollable" when trying to steer. His temporary solution? A large foam fin hot-glued to the frame that catches air like a Star Wars speeder bike. Somehow, it actually works.

The second issue is static electricity. The plastic ball and rubber rollers generate enough charge during rides that Bruton's hair literally stands on end. More problematically, the buildup scrambles the electronics and causes random shutdowns mid-ride.

Why This Inspires

Bruton published all his code and design files as open source, meaning anyone with the skills and motivation can build their own version or improve on his design. That generosity transforms a quirky garage project into a foundation other inventors can build upon.

The real magic isn't just that one person built something wonderfully weird. It's that he's inviting the world to join him in solving problems that don't need solving, simply because the challenge exists and the knowledge gained might spark something entirely unexpected.

His next video will tackle the steering problem head-on, and thousands of engineers worldwide are probably already sketching solutions.