Adjustable roller furling spar
Aerodynamic headstay foil
Aerodynamic mainsail and furling device
Airfoil sail
Anti-fouling roller furling gear upper assembly
Apparatus and method for guiding and hoisting a sail
Apparatus and method for guiding and hoisting a sail
Apparatus for furling sailboat jib
Apparatus for furling sails on sail boats
Apparatus for reefing sails on a boat and specially-designed boo
Apparatus for supporting a sail
Auto-sailing system
Boat sail control system
Boom gooseneck fitting providing mainsail roller-furling
Boom-structure
Clew board with traveller for self tacking head sails
Continuous reefing system
Corner reefing sail
Device for adjustable height fastening of the tack point of a sa
Device for furling a sail of a ship on a boom