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Sailboat Specifications

Graduate

Fractional Sloop · Centerboard Dinghy

Designed by Dick Wyche · Built by Butler Boats (Uk) Or Home Built · First built 1952

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LOA 12.53 ft  ·  Beam 4.66 ft  ·  Displacement 185.00 lb  ·  Sail Area 108.00 ft²  ·  Fractional Sloop  ·  Centerboard Dinghy
About the Graduate Sailboat

Dick Wyche's Graduate represents a classic example of 1950s British dinghy design that has stood the test of time. First launched in 1952, this 12.53-foot centerboard dinghy became a popular choice for sailing schools and club fleets, with approximately 3,000 hulls built over the years. Butler Boats of the UK served as the primary commercial builder, though many examples were constructed by amateur builders using available plans. The Graduate's fractional sloop rig and generous sail area-to-displacement ratio of 53.26 deliver spirited performance for such a compact boat, making it well-suited for day sailing, sailing instruction, and club racing in protected waters. Its moderate beam of 4.66 feet provides good initial stability while maintaining manageable handling characteristics for novice sailors. The centerboard configuration allows for easy launching from beaches and shallow-water exploration. Construction varied from traditional wood to later GRP and composite methods, reflecting changing boatbuilding practices over its production run. With a capsize screening formula of 3.27, the Graduate requires proper seamanship and is best suited for coastal waters and lakes rather than open ocean sailing. Today, this design remains valued for its educational qualities and classic sailing characteristics.

Dimensions & Specifications
LOA (Length Overall) 12.53 ft / 3.82 m
Beam 4.66 ft / 1.42 m
Max Draft 3.67 ft / 1.12 m
Displacement 185.00 lb / 84 kg
Sail Area (Reported) 108.00 ft² / 10.03 m²
Design & Construction
Hull Type Centerboard Dinghy
Rigging Type Fractional Sloop
Construction Wood/GRP/Composite
Designer Dick Wyche
Builder Butler Boats (UK) or Home built
First Built 1952
Number Built 3000
Associations Graduate Dinghy
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Frequently Asked Questions

What is the Graduate's sail area to displacement ratio?

The Graduate has a Sail Area to Displacement ratio (SA/D) of 53.26. Values between 14–18 are typical cruising sailboats; 18–22 is cruiser/racer; over 22 is performance racing.

What is the Graduate's comfort ratio?

The Graduate has a Ted Brewer Comfort Ratio of 3.26. A ratio over 30 indicates good offshore comfort; over 40 is very comfortable offshore.

Is the Graduate safe for offshore sailing?

The Graduate has a Capsize Screening Formula value of 3.27. Values under 2.0 are considered acceptable for offshore sailing; under 1.8 is ideal.

What is the hull speed of the Graduate?

The theoretical hull speed of the Graduate is 4.37 kn knots, calculated from its waterline length.

How much does a Graduate weigh?

The Graduate has a displacement of 185.00 lb and a length overall (LOA) of 12.53 ft.

Who designed the Graduate?

The Graduate was designed by Dick Wyche, first built in 1952.