Stop singing the blown-out-sail blues

17.06.2008 nauCAT
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Stop singing the blown-out-sail blues
Technical details
Producer: UK Sailmakers (UK)

These two pictures show very clearly why the Dacron sail will not make a boat go as well as the Tape-Drive sail above it. But since it took many years for the Dacron sail to stretch and distort, some sailors may not recognize the changes as they are happening. They just know that the sail is still in one piece.

One of the reasons sailors don´t like heavy air sailing is that heeling excessively is uncomfortable. Boats with old sails end up heeling more than boats with new sails because sails stretch and distort as they get older. The distortion gets exaggerated as the wind builds. Baggy sails create more heeling force than flat sails do. The top picture shows a well-shaped Tape-Drive sail and below is a blown out (too full, draft aft and distorted) Dacron sail. (UK-Halsey)

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