World's Smallest Four-Cylinder Engine

Most likely the world's smallest four-cylinder engine, this tiny aircraft mill is the work of miniaturist George Luhrs, from whose basement workshop has emerged a number of tiny functionals. Not quite new news, the four-cylinder, four cycle ignition engine won first place in the Sherline Machinist's Challenge in 2000.… » 10/19/07 11:00am 10/19/07 11:00am