Recent Blogs
Tusi Couple: Two-to-one Geometry and Straight-line Stroke
Explore the ideal straight-line trace of a circle rolling inside a circle twice its diameter. Calculate stroke and amplitude for the exact two-to-one case.
Cardan Straight-line Mechanism: How It Works, Diagram, Formula, and Uses Explained
Explore the Cardan straight-line mechanism: a half-size pinion inside a fixed ring. Compare pitch diameters, stroke and tooth counts in the ideal 2:1 geometry.