Mechanisms — articulation

Recent Blogs

Modern Locomotive and Tender diagram
Steam Locomotive–Tender Drawbar: Articulation Geometry
Explore steam locomotive-tender drawbar articulation and calculate longitudinal projection, lateral offset and geometric shortening from length and swing angle.
Ball Gear diagram
Ball Gear Joint: Articulation Animation and Spherical Geometry Calculator
Explore a crowned gear-joint concept and calculate spherical point projections. Compare articulation to a selected limit without inferring gear ratio or load capacity.