Process for producing a convex sail or a tensile structure
Propulsive wing with inflatable armature
Ram-air inflatable beam for use with a spinnaker
Reinforced sailcloth
Reinforced sailcloth
Reinforcing patch for sails and method of making same
Relating to wingsail craft and wingsails therefor
Reversible camber line flexible wing sail
Rigging base for plural-hull sailing craft and methods for sail
Rigging for a wind propelled craft
Rigging, particulary for bicycles
Rigid marine sail
Roller reefing system for sails and the like
Rotatable-mounting apparatus for sails
Runaway halyard stop
Sail
Sail
Sail airfoil device
Sail and method of construction
Sail and method of manufacture