Now that my (failed) Essex Stirling is over, I'm starting my next project. This steam engine is of my own design. 90 degree, two cylinder, and double acting. It will use barstock and aluminum castings. The castings will be the crosshead frame, cylinder, and steam chest. The rest is aluminum, brass, and steel barstock. Bore is 1-1/8 inches with a 1 inch stroke. I've shown this animation in another thread, but it's appropriate to show it here: Let the build commence!!! ...Ved.