Recent Blogs
White's Pulleys Mechanism Explained: How a Single-Rope Stepped-Sheave Tackle Works
Explore pulley effort and rope travel using an entered mechanical advantage and efficiency. The simplified support-force sum is not an anchorage rating.
Mast-and-Gaff Hoist: Historical Arrangement and Geometry
Explore a mast-and-gaff hoist and calculate tip reach, tip height and ideal vertical rope distance from gaff length, angle, pivot height and shaft depth.