BurnSim ($39) is a solid rocket motor ballistic simulation program (Windows only) now in its third version. In a nutshell, input your motor, nozzle and propellant characteristics and BurnSim calculates the Kn (kilonewton) through the burn and predicts estimated chamber pressure and motor performance. Once your motor design is in BurnSim, you can tweak the […]
New LED bike wheel lights (as seen @ Maker Faire!)… The Monkeylectric m132s is a revolutionary bike light that keeps you visible – and in style. Its ruggedized design is perfect for daily commuters, urban cyclists, casual evening riders, BMX, festivals – anyone that wants to be visible after dark and not feel like a […]
Instructables user dpearce1 made a solar-powered motorized trike, and an instruction set to go along with it. From the instructable: The purpose of this project is to build a vehicle that: -Provides free, ‘green’ transportation for short distances (<10 miles), thus it must never plug into a wall socket, or emit any pollutants. -Charge while […]
Check out all the fun and excitement at this year’s Maker Faire in San Mateo, California. People from all over the world came to experience this amazing event. Here are just some of the amazing riding machines we saw. To download Maker Faire 2008 Vehicles MP4 click here or subscribe in iTunes.
Gas prices got you down? Sources don’t need to tell us that fixing and riding bikes is the way to go. Here at MAKE we love riding, fixing, improving, and modding our bikes, so we thought we’d share all things Bike @ MAKE. New to bicycle commuting? Take some advice for city riding. Safety first! […]
Gerry Lauzon has finally posted the third installment of his homebuilt recumbent bike how-to series. HOW TO BUILD AN INEXPENSIVE RECUMBENT BICYCLE AT HOME PART 3
When I was a tween, I lived for slot-cars. Our small town outside of Richmond, VA had two slot car shops/tracks for a few years. This video from Spain shows a race from fixed and car-mounted cameras. Really nice track too. And vroom-vroom sound effects. Scalextric EXIN made in Spain [via]
