Model steam engines have intrigued hackers and ... rather than shafts machined from a single piece of metal. This engine’s crankshaft was threaded into the crank webs rather than pinned.

Tiny crankshaft, tiny flywheel. Everything you’d associate with a steam engine is there, but just barely. The tooling needed to accomplish this feat is pretty impressive too. [Chronova] are no ...

However, steam engines had their own set of shortcomings ... to force the piston down is restricted by the use of a flywheel, crankshaft, and rod during the operation. Instead, the reverse ...

Steam engine makers have been- occupied ... The engine is direct-aijng, "the piston rod jtg connected'to the double crank in the toddle of the shaft, I. The slide valve is worked by an eccentric ...