Recent Blogs
Spanish Barton (form 1) Mechanism Explained: 5:1 Compound Pulley Diagram, Parts and Uses
How the Spanish Barton form 1 tackle works, its 5:1 mechanical advantage, rigging formula, and worked example for lifting heavy loads in arborist and rescue...
Timber Hitch Mechanism Explained: How It Works, Parts, Diagram, and Rigging Uses
Timber Hitch knot guide for arborists, riggers, and boatbuilders — how it grips logs, holding capacity, tying steps, and when to choose it over alternatives.