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″

Continue reading Free Plans: David Kerzel’s C02 Engine

David Kerzel has free plans for this beautiful hit & miss engine he designed.  It may look like it’s made from castings but it’s actually made from bar stock.  The cylinder has a .75-inch bore and the flywheels are 3.5-inch in diameter.  The plans also come with some well-written and very helpful

Continue reading Free Plans: David Kerzel’s Hit & Miss Engine

Marconett Engineering sells plans for a variety of model steam engines that are made from readily available “barstock” instead of castings.  They also have a set of free plans and some very helpful construction notes for a nice oscillating steam engine. You can find them near the bottom

Continue reading Free Plans: Marconett Engineering’s “David” Steam Engine

This is a short 3-minute video by “rbandes1″ that shows and explains the operation of the “Jingle Bell Steam Engine” he made.  It was built from free plans provided by Professor Nial McCabe, who teaches Engineering Technology at the County College of Morris in Randolph, NJ.  Professor McCabe has

Continue reading Free Plans: Jingle Bell Steam Engine

On his blog featuring model engineering projects, Adam Richard Cooper has intricately detailed plans for making a Model Watt governor–the part that regulates the speed of steam engines by acting as a negative feedback system–that he designed himself. His post includes construction notes and CAD drawings along with a large photograph of

Continue reading Free Plans: Model of a Watt type Steam Governor