Jeroen Jonkman built this Gamma type Stirling engine for his father’s 60th birthday. He also drew a nice set of plans for it and is very generously sharing them. You can download them here from MachinistBlog (PDF) or from HMEM if you’re registered there and logged in. I asked, but Jeroen didn’t
Continue reading Free Plans: Jeroen Jonkman’s “Stirling 60″