Recent Blogs
Eidograph Mechanism Explained: Parallel-Bar Drawing Copier, How It Works, Parts, Formula, Diagram
See how an eidograph’s equal pulleys, parallel arms and matched fulcrum position produce a scaled drawing. Compare copy length and area ratios.
Planar Mechanism Mobility: Constraint-Count Worksheet
Calculate the generic planar mobility count from links and joints, and explore a four-bar example. Constraint independence and actual geometry require separate checks.
Toggle Mechanism: Ideal Two-link Forces and Reactions
Calculate ideal link forces and end reactions for a symmetric toggle. Learn why the force ratio rises near straight alignment and why it is not...