Recent Blogs
Chinese Shaft Derrick Mechanism Explained: How It Works, Parts, Diagram and Mechanical Advantage
Explore a differential windlass with overhead guide sheaves. Calculate ideal force multiplication, input torque and bucket rise from the two drum radii and handle effort.
Chinese Windlass Mechanism Explained: How It Works, Diagram, Formula, Parts and Uses
Compare two drum diameters on one shaft. Calculate ideal hand force, shaft torque and rise per turn, and see why closer diameters give slower lift...