Recent Blogs
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.
Jib Topsail Sloop: Idealized Sail-Force Component Calculator | FIRGELLI
Calculate lift, drag and a forward-axis component from entered wind, sail area and assumed coefficients. The diagram does not predict vessel speed, heel or rigging...