Adjustable camber inflatable sail
Adjustable roller furling spar
Adjustable sail head tensioning device, and methods of fabricati
Adjustable spinnaker header and rig therefor
Aerodynamic device with reversible flexible and lowerable concav
Aerodynamic device, particularly for sails
Aerodynamic headstay foil
Aerodynamic mainsail and furling device
Aerofoil or hydrofoil
Aerofoil sail
Aerofoils
Air flow direction indicator
Air flow indicator for sailboat sails
Air foil with reversible camber
Airflow enhancement for sailboat headsails
Airfoil sail
Airfoil sailing system
Anti-fouling roller furling gear upper assembly
Anti-gravity spinnaker
Apparatus and method for guiding and hoisting a sail