Recent Blogs
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 2): How Form-2 Bar Guides Work, Parts, Side Thrust & PV Loading
Steam engine crosshead guides keep the piston rod dead straight under thrust. Learn slipper geometry, rubbing speeds and clearance limits for heritage engines.