Recent Blogs
Richardson-Allen Balanced Slide Valve: How It Works, Parts, Diagram and Uses in Steam Engines
See how an exhaust-connected recess reduces pressure loading on a slide valve. Compare normal loads and estimate friction from area, pressure and balance fraction.
Enclosed High-Speed Steam Engine: Slider-Crank Kinematics
Explore an enclosed steam-engine slider crank and calculate crank radius, cycle period, mean piston speed and maximum connecting-rod angle.
Tandem Compound Steam Engine: Area and Pressure Ratios | FIRGELLI
Compare piston areas and entered absolute-pressure ratios for a tandem compound concept. The calculator does not determine horsepower, stage work balance or operating limits.