Propane torch Projects

Pop-Pop Steamboat

Pop-Pop Steamboat

When you picture a steam engine, you likely imagine a giant cast-iron contraption festooned with knobs, valves, gauges, linkages, and wheels. This steam-powered toy boat has no moving parts and...

Posted by William Abernathy

Categories: Science, Kids & Family | 6 Comments


Two-Can Stirling Engine

Two-Can Stirling Engine

The Stirling engine has long captivated inventors and dreamers. Here are complete plans for building and operating a two-cylinder model that runs on almost any high-temperature heat source. Stirling engines...

Posted by lindseymnorth

Categories: Machining | No Comments


Basic Stilts

Basic Stilts

By Molly Graber and Chris Merrick Have you ever dreamed of being really tall? Walking on stilts is a fun and adventurous sport. But where are you going to get...

Posted by Molly Graber

Categories: Craft, Electronics, Woodworking | No Comments