Racing sail : mainsail (kevlar®)
Shore Sails
The Bill's Spider Mainsail panels change direction at four horizontal junctions for precise alignment. These panels are oriented to fan from the head and the clew following the load path through the leech.
The luff of the sail allows controlled stretch for draft adjustment. Kevlar content is reduced as loads decrease in the forward and center sections of the sail. By saving weight in the non-load-bearing areas of the cloth, chafe-resistant taffetas can be added to key sections. As a result, the Spider Mainsail has increased durability while being lighter than the industry average mainsail weight.
Bill's Spider Mainsail design maximizes the efficiency of your rig. The sail is constructed with minimum luff curve to push the roach to the absolute limits of the applicable racing rule for increased projected area. Cored, tapered battens are used for to reduce weight. The specific flex characteristics of each batten match the sail shape. Rugged, sophisticated and streamlined batten pocket construction allows incremental tension control with fail-safe batten closure.








