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Sailboat Specifications

Ss One Ton 1966

Masthead Sloop · Fin With Rudder On Skeg

Designed by Sparkman & Stephens · Built by Clare Lallow (Uk)/Carlini · First built 1966

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LOA 36.50 ft  ·  Beam 9.92 ft  ·  Displacement 12,470.00 lb  ·  Sail Area 495.00 ft²  ·  Masthead Sloop  ·  Fin With Rudder On Skeg
About the Ss One Ton 1966 Sailboat

Emerging from the competitive racing scene of the mid-1960s, the Ss One Ton 1966 represents a significant chapter in offshore sailboat history. Built to the One Ton Cup rating rule, this vessel was designed with performance at the forefront, making it a compelling option for sailors interested in vintage racing craft or spirited offshore passages. As a One Ton class boat, it was conceived to be sailed hard and raced competitively, with design priorities centered around speed, stability, and responsiveness under a variety of wind conditions. These characteristics also translate well to capable coastal and offshore cruising, offering a lively sailing experience that rewards skilled handling. With limited specifications readily available, much of what defines this boat rests in its historical context and the enduring legacy of the One Ton class itself, which pushed yacht designers to refine hull forms and sail plans during a transformative era in ocean racing. For buyers drawn to classic pedigree and performance-oriented design, the Ss One Ton 1966 carries the character and heritage of an era when racing shaped the very future of sailboat design.

Dimensions & Specifications
LOA (Length Overall) 36.50 ft / 11.13 m
LWL (Waterline Length) 26.58 ft / 8.10 m
Beam 9.92 ft / 3.02 m
Max Draft 6.16 ft / 1.88 m
Displacement 12,470.00 lb / 5,656 kg
Ballast 5,500.00 lb / 2,495 kg
Sail Area (Reported) 495.00 ft² / 45.99 m²
Design & Construction
Hull Type Fin with rudder on skeg
Rigging Type Masthead Sloop
Construction Wood Planked
Designer Sparkman & Stephens
Builder Clare Lallow (UK)/Carlini
First Built 1966
Last Built 1975
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Frequently Asked Questions

What is the Ss One Ton 1966's sail area to displacement ratio?

The Ss One Ton 1966 has a Sail Area to Displacement ratio (SA/D) of 14.78. Values between 14–18 are typical cruising sailboats; 18–22 is cruiser/racer; over 22 is performance racing.

What is the Ss One Ton 1966's comfort ratio?

The Ss One Ton 1966 has a Ted Brewer Comfort Ratio of 30.69. A ratio over 30 indicates good offshore comfort; over 40 is very comfortable offshore.

Is the Ss One Ton 1966 safe for offshore sailing?

The Ss One Ton 1966 has a Capsize Screening Formula value of 1.71. Values under 2.0 are considered acceptable for offshore sailing; under 1.8 is ideal.

What is the hull speed of the Ss One Ton 1966?

The theoretical hull speed of the Ss One Ton 1966 is 6.91 knots, calculated from its waterline length.

How much does a Ss One Ton 1966 weigh?

The Ss One Ton 1966 has a displacement of 12,470.00 lb and a length overall (LOA) of 36.50 ft.

Who designed the Ss One Ton 1966?

The Ss One Ton 1966 was designed by Sparkman & Stephens, first built in 1966.