Free Plans: Quick-Release Lathe Mounted Dial Indicator Holder

QRHLD1SwarfRat Enterprises has a set of free plans for a quick-release dial indicator holder that mounts on the front of a mini-lathe.   The holder is made from a 5-inch long piece of .875-inch square aluminum stock.  It also uses a quick-release lever from a bicycle seat or wheel that can be purchased inexpensively or salvaged off an old bike. … Read the rest

Jan Ridders’ New LTD Stirling Engine

I am a big fan and admirer of Jan Ridders.  He is a talented and prolific designer of Stirling, flame-eater and internal combustion engines that are both beautiful to look at and fascinating to watch operate. Jan generously shares his plans for free and you can also frequently find him answering questions on the Yahoo Barstockengine discussion group, a group that I highly recommend if are interesting in building one of Jan’s designs or some other engine that doesn’t require castings.… Read the rest

Free Plans: Webster Engine Work’s 4-Cycle Gas Engine

Webster Engine Work's 4-stroke Gas EngineWould you like free plans for a gas-powered 4-cycle engine that is a proven and easy-to-build design?

Joe Webster designed this engine to be quick, inexpensive and easy to build.  It doesn’t have any parts with super-critical dimensions and you don’t need a rotary table or other expensive tooling to construct it.… Read the rest