Recent Blogs
Steam Engine Guides (form 4): How Four-Bar Crosshead Guides Work, Parts & Slipper Pressure
Steam engine guides (form 4) keep the crosshead aligned and absorb piston-rod side thrust. Learn the geometry, loading limits, and heritage engineering use.
Steam Engine Guides (form 3): How the Four-Bar Alligator Crosshead Works, Parts & Diagram
Steam engine guides (form 3) keep the crosshead aligned and absorb connecting-rod side thrust. Learn the geometry, loads, and sizing for heritage engine restorations.
Steam Engine Guides (form 1): Crosshead Mechanism, Slipper Diagram, Side-Thrust Formula Explained
Steam engine guides keep the crosshead aligned with the cylinder bore. Learn how slipper, bar and 4-bar guides work, with sizing math and worked examples.
Peaucellier's Parallel Motion: How the Exact Straight-Line Linkage Works, Parts & Uses
Peaucellier's parallel motion converts rotary input into exact straight-line output. Geometry, formula, worked example for steam engine guides and machine tools.