Oscillating Steam (Air) Engine - 1941 Popular Mechanics Magazine

In April of 1941 Popular Science Magazine had an article on how to build an oscillating steam engine. This model is a reproduction of that engine using the part details in the article. I tried to stay true to the parts in almost all aspects. Some things were altered to allow 3D printing.

This model has a reversing lever that redirects the air flow to enable CW and CCW rotation.

While originally designed out of metal for use with steam, this engine runs on compressed air. Please don't t