Engine 557 ran on coal when it first came to Alaska in 1944. Using oil, the 557 Restoration Company fired it up again in ...
The Autopian on MSN
The most complicated new engine has three cylinders, a rotating block, a stationary head, and is shaped like a circle
Meet the Birotary, a crazy new and complicated engine that has three cylinders arranged like a star, a rotating block, a ...
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