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Simple 4 Stroke This is the simple 4-stroke glass cylinder engine designed by Jan Ridders. I chose this engine mainly because its simplicity nicely matches my experience and shop equipment. It is also a very nice looking engine with the clever use of a glass cylinder that makes combustion...

For my first internal combustion engine model, I’ve decided to build Jan Ridders’ one cylinder glass 4 stroke engine. Plans, pictures, and videos of the finished engine can be found at Mr. Ridders’ web site. The engine uses a single glass cylinder making combustion visible, a rotary valve...

The Stuart Twin Launch Engine I have admired the Stuart Models Twin Launch desktop steam model for many years. It is a lovely classical 19th century marine engine design that is self-starting and reversible with Stephenson valve gear. It runs nicely on compressed air, has a pleasing...

I'm embarassed to say that I've not yet figured out the meaning of "CRS" when applied to dimensions on Stuart drawings even though I have built several Stuart models. CRS sometimes seems to be attached to the most critical dimensios, and sometimes not. This designation is used on drawings going...

This is my second engine model, a horizontal steam engine with 1" bore and 1 1/2" stroke. It was built from PM Research castings and plans using a small lathe and mini-mill and required about six months of intermittent and part-time work. The original PM Research flywheel was too spindly for my...

A Stirling Experience I’ve always been fascinated by desktop Stirling engine models. In particular, I admire the high temperature models that run from the heat of a flame. They are robust enough to be called real engines and are mechanically beautiful when carefully finished and outfitted...

http://www.youtube.com/watch?v=JI3Ip0ixBrg I've just completed my first steam model, the Stuart Beam Engine shown above. I replaced the cast iron brick that Stuart provides as a base with an oak base supporting a 1/4 inch thick plate with cutouts for the crank and eccentric. All links and rods...