Recent Blogs
Diagonal Catch Hand-gear (top of Cylinder): Mechanism, Parts & Calculator Explained
Explore Brown 182 diagonal catch valve gear for pumping engines. See the four-valve sequence and calculate ideal cylinder force, volume and piston speed.
Diagonal Catch Hand-gear (raising Piston): Mechanism, Parts, Diagram and Formula Explained
Explore Brown 181 diagonal catch valve gear for pumping engines. See the four-valve sequence and calculate ideal cylinder force, volume and piston speed.
Single Eccentric Variable Valve Throw Mechanism: How It Works, Parts, and Diagram
Single Eccentric Variable Valve Throw explained — how shifting one eccentric on a steam engine alters valve travel, cutoff, and power across operating range.
Misch's Valve Tappet: Historical Component Map and SHM Reference
Explore Misch's historical steam-pump tappet components and a separate simple-harmonic displacement calculator. Reference angles are not valve timing settings.
Balanced Slide Valve Mechanism: How It Works, Parts, Diagram, and Net Load Calculator
See how back relief reduces a slide valve’s ideal pressure-area load. Compare plain and relieved loads while distinguishing normal pressure force from rod force.