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She 33
Designer: Sparkman & Stephens  ·  Builder: South Hants Marine (Uk)  ·  First built: 1978
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About the She 33

Designed by the legendary naval architecture firm Sparkman & Stephens and first launched in 1978, this 32-footer represents classic yacht design principles from one of sailing's most respected design houses. Built by South Hants Marine in the UK using fiberglass construction, the She 33 embodies the sophisticated approach to cruising yacht design that S&S was renowned for during this era. With her moderate displacement of 6,250 pounds and traditional fin keel with skeg-hung rudder configuration, this masthead sloop strikes an appealing balance between performance and seaworthiness. The hull's proportions suggest a boat capable of both spirited coastal sailing and comfortable cruising, while the substantial draft of 5.42 feet provides good stability and windward ability. The boat's comfort ratio of 15.81 indicates relatively quick motion in seaway, making her more suitable for day sailing and coastal cruising rather than extended offshore passages. Her capsize screening value of 2.3 falls within acceptable limits for coastal sailing, while the sail area to displacement ratio of 19.44 suggests moderate performance under sail. The theoretical hull speed of 6.55 knots reflects her waterline length and positions her as a capable weekender or club racer for those seeking classic Sparkman & Stephens pedigree in a manageable size.

Core Dimensions
LOA (Length Overall) 32.18 ft / 9.81 m
LWL (Waterline Length) 23.92 ft / 7.29 m
Beam 10.58 ft / 3.22 m
Max Draft 5.42 ft / 1.65 m
Displacement 6,250.00 lb / 2,835 kg
Ballast Type Iron
Sail Area (Reported) 411.00 ft² / 38.18 m²
Design & Construction
Hull Type Fin with rudder on skeg
Rigging Type Masthead Sloop
Construction FG
Designer Sparkman & Stephens
Builder South Hants Marine (UK)
First Built 1978
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Performance Ratios
PHRF Rating PHRF (Performance Handicap Racing Fleet) is a national racing handicap measured in seconds per nautical mile. Lower values indicate faster boats. Ratings are sourced from US Sailing's national database (median across 60+ regional fleets).
Under 0 — Ultralight racer0–90 — Performance racer90–150 — Cruiser/racer150–210 — Typical cruiserOver 210 — Heavy/slow cruiser
 171
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
 19.44
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
 203.87
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
 15.81
Capsize Screening Formula The USHS Capsize Screening Formula estimates offshore capsize risk. Lower is safer — values under 2.0 are considered acceptable for offshore sailing.
Under 2.0 — Safe for offshore2.0–2.2 — Borderline offshoreOver 2.2 — Coastal use recommended
 2.3
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. 6.55 kn
S# (Speed Number) The Speed Number (S#) is a quick performance index. Higher values indicate a faster, more powerful design relative to its size.
Under 3.0 — Slow cruiser3.0–5.0 — Average cruiser5.0–7.0 — Performance cruiserOver 7.0 — Racer
 2.93
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. 904.26 pounds/inch
SA/Displacement (Calc) Calculated Sail Area to Displacement ratio using actual measured sail dimensions rather than reported values. More precise than the reported SA/Disp figure. 19.44
Rig Dimensions
I (Foretriangle Height) 39.75 ft / 12.12 m
J (Foretriangle Base) 12.00 ft / 3.66 m
P (Mainsail Luff) 34.50 ft / 10.52 m
E (Mainsail Foot) 10.00 ft / 3.05 m
SA Fore 238.50 ft² / 22.16 m²
SA Main 172.50 ft² / 16.03 m²
SA Total (100%) 411.00 ft² / 38.18 m²
Est. Forestay Length 41.52 ft / 12.66 m
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