We used our 60,000 PSI waterjet to spin a roller skate wheel to 45,000 RPM. We also did a razor scooter, roller blades and some caster wheels. The Weeknd ends yearslong Grammys boycott with ...

But oh, apparently fanny packs are hot again, so why not inline skates? That’s why, for this month’s Lifehacker Fitness Challenge, I’m strapping on the wheels and exercising like it’s 1991.

From its origins—roller-skate wheels attached to a wooden board—the skateboard has given rise to a vibrant culture of art, music, and sport. Used by surfers when there were no waves to ride, the ...

The hardware is all bolted up to a custom skateboard deck built from scratch to accept the large single rear wheel. Up front, a regular skateboard truck is used. Batteries are mounted under the deck.

We’ll admit that most of the Hackaday staff wouldn’t get too far on a skateboard, but that doesn’t mean we can’t appreciate the impressive DIY wheels that [Chris McCann] has managed to ...