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Design of a 40-Ft Multihull Sailboat for Offshore Racing, ANTRIM, 1990

An overview of modern multihull sailboat design is presented, with an emphasis on the factors contributing to speed. In particular, the design of a 40-ft trimaran is reviewed. Evolution of the rig and shape and configuration of hulls and underwater foils are examined. Thinking behind deck and interior layout is discussed. The principal goal of this design was a multihull for offshore racing, normally with a one or two-man crew, and with a victory in the Double Handed Round Australia Race as the initial target. Secondarily, the boat was to fit the Formula 40 rule, possibly loosely, in the hopes of getting some Formula 40 racing started on the U.S. West Coast.

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