Recent Blogs
Wire Rope Clip and Thimble: Parts and Rating Limits | FIRGELLI
Explore a wire-rope eye schematic and understand the separate roles of clips and thimble. Illustrative dimensions do not determine assembly strength or working load.
Sloop Yawl Rig and Selected Balance Calculator
See a sloop-yawl rig with jib, gaff main and stern lug sail. Compare selected centers of effort, lateral resistance and waterline length.
Sloop Rig: Mainsail, Jib and Forestay Calculator
Explore a sloop mainsail and jib with a moving boom. Calculate selected forestay tension percentages and midpoint sag distance.