Mechanisms — steam engine

Recent Blogs

Rotary Engine (form 5) diagram
Rotary Engine (form 5)
Rotary Engine Form 5 explained — how the abutment-and-piston layout converts steam pressure to shaft torque, with worked numbers for heritage mill drives.
Single Eccentric Valve Gear diagram
Single Eccentric Valve Gear
Single Eccentric Valve Gear explained — how it drives the slide valve on stationary steam engines, with formulas, worked example, and design tradeoffs.
Rotating Cylinder Engine diagram
Rotating Cylinder Engine
How a rotating cylinder engine works, with the geometry, a worked steam-launch example at three operating points, and design tradeoffs vs oscillating cylinders.
Rotary Engine (form 4) diagram
Rotary Engine (form 4)
Rotary Engine form 4 explained — eccentric piston geometry, steam admission, indicated power formula, and a worked heritage marine example with real numbers.
Kipp Rotary Piston Engine diagram
Kipp Rotary Piston Engine
Kipp rotary piston engine explained — how the oscillating piston converts steam pressure to shaft rotation, with sizing math and a heritage demonstration build.
Fly-wheel or Pulley Governor diagram
Fly-wheel or Pulley Governor
Fly-wheel or Pulley Governor explained — how this inertia-based speed regulator stabilises steam engines, line shafts, and mill drives. Sizing, formulas, real builds.
Disengaging Device (modification 3) diagram
Disengaging Device (modification 3)
Disengaging Device modification 3 explained — how the trip releases drive on steam engines, valve gears, and hoists. Formulas, worked example, and design tradeoffs.
Centrifugal Governor diagram
Centrifugal Governor
How a Centrifugal Governor regulates engine speed using rotating flyballs. Equilibrium height formula, worked steam-engine example, and real applications.