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This is a small high speed steam engine I designed and built several years ago as a challenge. I chose to build it entirely out of steel and cast iron scrap plumbing fittings and nails. It features a cam operated piston valve and uniflow exhaust.
It was great fun figuring out how to use those materials. The cylinder was a cast iron pipe union brazed to a base made out of a pipe cap. The head and crankshaft webs were made from flat steel stock, produced by flattening a piece of steel pipe. The crank and valve body were made from spikes. The piston was turned on my homemade metal lathe from a cast iron pipe cap. The marine engine type flywheel was brazed together from telescoping pipe sections and a pipe cap.
The engine test run sounded like an unmuffled two cycle engine of the same displacement. Much fun....
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