You may have seen an air powered engine at some point, but most are made out of some sort of metal. This engine, however, is made entirely out of wood (and fasteners). One might wonder how a design like this was conceived, but this may be explained by [Woodgears.ca's] tagline: "An engineer's approach to woodworking."  It should also be noted that this is actually [Matthias'] sequel to  "Wooden … [Read more...]