Designed by Torsten Gustavsson in 1964, this compact Swedish sailboat represents classic Scandinavian sailing philosophy with its practical lifting keel configuration. Built by Iw-Varvet in Sweden, the F 12 Gustavsson found favor among coastal cruising enthusiasts, with 200 hulls produced during its production run. The boat's lifting keel design makes it particularly well-suited for exploring shallow waters and coastal cruising where variable depths require flexibility. At just under 17 feet overall with a beam of 6.25 feet, this fiberglass sloop offers surprising stability for its size, supported by 242 pounds of ballast. The fractional sloop rig provides manageable sail handling while delivering respectable performance with 129 square feet of working sail area. With a displacement of 639 pounds and hull speed of 5.13 knots, the F 12 strikes a balance between portability and seaworthiness. The comfort ratio of 5.63 suggests a relatively stiff, quick motion suited to day sailing and short coastal passages rather than extended cruising. The capsize screening formula of 2.9 indicates good stability characteristics for a boat of this size, making it appropriate for protected waters and moderate coastal conditions with experienced crew.
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What is the F 12 Gustavsson's sail area to displacement ratio?
The F 12 Gustavsson has a Sail Area to Displacement ratio (SA/D) of 27.86. Values between 14–18 are typical cruising sailboats; 18–22 is cruiser/racer; over 22 is performance racing.
What is the F 12 Gustavsson's comfort ratio?
The F 12 Gustavsson has a Ted Brewer Comfort Ratio of 5.63. A ratio over 30 indicates good offshore comfort; over 40 is very comfortable offshore.
Is the F 12 Gustavsson safe for offshore sailing?
The F 12 Gustavsson has a Capsize Screening Formula value of 2.9. Values under 2.0 are considered acceptable for offshore sailing; under 1.8 is ideal.
What is the hull speed of the F 12 Gustavsson?
The theoretical hull speed of the F 12 Gustavsson is 5.13 kn knots, calculated from its waterline length.
How much does a F 12 Gustavsson weigh?
The F 12 Gustavsson has a displacement of 639.00 lb and a length overall (LOA) of 16.73 ft.
Who designed the F 12 Gustavsson?
The F 12 Gustavsson was designed by Torsten Gustavsson, first built in 1964.