Recent Blogs
Slide Valve
Slide valve mechanism explained — how a sliding port plate directs steam or fluid flow, with worked example, design tradeoffs, and named locomotive applications.
Rotary Valve
Rotary Valve explained — how the spinning port directs flow, sizing math, and real applications in 2-stroke engines, pneumatics, and pharma powder dosing.
Vibrating Piston Engine
How a Vibrating Piston Engine works — design rules, indicated power formula, worked example for a heritage launch, and trade-offs against oscillating cylinder engines.
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.
Oscillating Marine Engine Valve Motion
Oscillating marine engine valve motion uses cylinder rocking to time steam admission and exhaust. See how paddle steamers and launches used it, with a worked...
Link Vibratory Engine
How a Link Vibratory Engine works — the swinging-cylinder steam motor that powered marine launches and stationary plant. Geometry, IHP, worked example.
Double Slide Piston Rotary Engine
How the Double Slide Piston Rotary Engine works — geometry, port timing, and a worked example from a heritage workshop restoration. Diagrams, formulas, FAQs.