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Graduate
Designer: Dick Wyche  ·  Builder: Butler Boats (Uk) Or Home Built  ·  First built: 1952
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About the Graduate

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.

Core Dimensions
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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Performance Ratios
SA/Displacement Sail Area to Displacement ratio measures how much sail power a boat has relative to its weight. Higher values mean more performance and speed.
Under 14 — Heavy cruiser, slow14–18 — Cruising sailboat18–22 — Cruiser/racerOver 22 — Performance racer
53.26
Displacement/Length Displacement to Length ratio measures how heavy a boat is relative to its waterline length. Lower values mean a lighter, faster boat.
Under 100 — Ultralight racer100–200 — Light cruiser/racer200–300 — Moderate cruiser300–400 — Heavy cruiserOver 400 — Very heavy
68.36
Comfort Ratio Ted Brewer's Comfort Ratio predicts how comfortable a boat will feel in offshore conditions. Higher values mean a steadier, more comfortable motion in a seaway.
Under 20 — Uncomfortably rough20–30 — Acceptable coastal30–40 — Good offshore comfortOver 40 — Very comfortable offshore
3.26
Hull Speed Hull Speed is the theoretical maximum speed of a displacement hull, calculated from waterline length. Most cruising sailboats reach this speed in moderate conditions. 4.37 kn
Pounds/Inch Immersion Pounds per Inch Immersion (PPI) tells you how much weight is needed to sink the boat one inch. Useful for calculating how additional gear and stores affect waterline. 1.06 pounds/inch
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