Why is the Sail/Displacement ratio of the Pahi 42 less than that of the Tiki 46?

James says: "With reference to Bruce Numbers (similar to Sail/Displacement Ratios): Multihulls with a standard Bermudan style rig and a high Bruce Number are less stable and and have a higher capsizing potential. The PAHI 42 rig, whilst having a lower Centre of Effort than most Bermudan rigs by bringing the tack almost down to the deck (something now followed by other racing craft), it still is a Bermudan configuration. The twin masted 'TIKI' rig allows one to carry more sail than the Bermudan rig, hence a higher Bruce Number, without raising its capsizing potential.

However, I sailed on Peter Richardson's PAHI 42 from Scotland to Iceland in 1999. It is a very nippy craft. Peter Richardson expects speeds of 10-12 knots from it regularly, but he is a tough, high quality sailor, and the boat is built to specification.

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