Month: May 2008

DIY shed

DIY shed

Dan McGrath made his own custom shed in his yard and documented the process with notes and photos. He writes: Why build your own shed? Well, I just don’t like the ones you see for sale in shops, they are flimsy and expensive, my DIY shed is neither of these things. Additionally it is exactly […]

Yo Gabba Gabba Needle Felts

Spotted in the CRAFT Flickr pool: Lincoln3D just made his first two needle-felted creatures–these great versions of Muno and Brobee from Yo Gabba Gabba. Edit: Just found out Lincoln learned to needle felt from Moxie and Brookelynn at Maker Faire! Related: • Yo Gabba Gabba Amigurumi • Garth Johnson’s “Muno” Shirt • Interview with Brookelynn […]

Rocket motor design software

Rocket motor design software

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 […]

LEGO camel feet contest

LEGO camel feet contest

Fay Rhodes, LEGO Mindstorms NXT author, is holding a contest to find an alternate foot for a camel design. The wheel used as feet for my camel design came from the Education Resource set, but now LEGO has exchanged that wheel for another that lacks the TECHNIC pin holes–making it unusable for the foot. I […]

The power of poo

The power of poo

Brothers Kevin and Daryl Maas of Washington State are producing electricity from cow manure. We use a proven, commercialized technology called a manure digester to harvest methane gas from manure. We burn the methane to create electricity, while sending the processed manure back to the farmers as an organic fertilizer now free of pathogens and […]