Video explanation
Steam switches across a cylinder to drive piston and beam, sun-and-planet gearing turns a flywheel, and a governor adjusts supply with load.
Heat to mechanical motion
Steam pressure difference drives the piston, the beam transmits reciprocation, and gearing converts it into rotation.
Separate condenser
Condensing steam in a separate chamber avoids repeatedly cooling the cylinder, reducing steam and fuel requirements.
Governor feedback
A centrifugal governor adjusts steam with speed, illustrating mechanical feedback. Displayed speeds belong to the model.