Bicycles

30MPH electric mountain bike

MAKE subscriber Jennifer Holt of Columbus, OH, wrote in to share her rather overpowered electric mountain bike, running on a 48V motor powered by a homemade battery pack consisting of 144 3.3V lithium ion cells. Data from the battery monitor is logged to an SD card. This is the second of the two electric bicycles […]

Binary wedding ring

Binary wedding ring

Chris Blazick of Pasadena, CA, wrote in to share his wedding ring, which he had engraved with a binary message. I wanted to write in to share the tale of my wedding ring. It’s a traditional band with a square pattern embedded in it. The squares represent binary. The words of the Claddagh are encoded: […]

How-To: Build a cargo bike

How-To: Build a cargo bike

After a trip to Copenhagen, Instructable user carkat saw that a lot of people used cargo bikes (with a cargo area in the front) to transport their kids around. He couldn’t afford to buy such a bike, so he cannibalized a couple of junkers, some square steel tubing, and some some sort of what looks […]

Bicycle monowheel

Bicycle monowheel

Earlier this week I posed bike hacker Pater Wagner’s uni/bicycle. Earlier this month we featured his monster bike. Now it’s his monowheel. No handlebars — presumably you have to lean to steer. But don’t lean too much! What an awesome creation. More: The history of Monowheels Maker of the day – Kerry McLean, 225-horsepower gasoline-powered […]

Pedal-powered cardboard & PVC Porsche

Pedal-powered cardboard & PVC Porsche

Branded as the world’s slowest Porsche, artist Hannes Langeder’s handmade Porsche, which he calls the Ferdinand, mocks the culture of consumerism that gives rise to such overpriced commodities as the luxury auto. The bicycle Porsche functions as signifier for the fascination with the figure of an automobile that has lasted since the 1950s; yet Hannes […]