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Super Challenger
Designer: Mauric / Gaubert  ·  Builder: Cn Azuréen (Fra)  ·  First built: 1966
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About the Super Challenger

Built by French shipyard Cn Azuréen starting in 1966, this nearly 30-foot sailboat represents classic European design philosophy from the era when offshore cruising was becoming accessible to more sailors. The Mauric/Gaubert design team created a vessel that balances seaworthiness with manageable size, featuring a fin keel with rudder mounted on a protective skeg configuration that offers good directional stability while maintaining reasonable performance. With a displacement of 5,512 pounds and substantial ballast ratio, the Super Challenger demonstrates the solid construction typical of French builders during this period. The masthead sloop rig provides straightforward sail handling, while the mixed construction methods of wood, fiberglass, and aluminum reflect the transitional building techniques of the late 1960s. Her comfort ratio of 18.62 suggests reasonable motion at sea, making her suitable for coastal cruising and short offshore passages. The relatively conservative sail area to displacement ratio indicates this is primarily a cruising design rather than a racing boat, prioritizing stability and comfort over pure speed. Her capsize screening value and hull characteristics suggest she's well-suited for serious coastal exploration and moderate offshore work, appealing to sailors seeking a sturdy, traditional cruising platform with European character and time-tested design principles.

Core Dimensions
LOA (Length Overall) 29.53 ft / 9.00 m
LWL (Waterline Length) 22.77 ft / 6.94 m
Beam 8.92 ft / 2.72 m
Max Draft 5.58 ft / 1.70 m
Displacement 5,512.00 lb / 2,500 kg
Ballast 2,645.00 lb / 1,200 kg
Sail Area (Reported) 441.00 ft² / 40.97 m²
Design & Construction
Hull Type Fin with rudder on skeg
Rigging Type Masthead Sloop
Construction wood/FG/ALU
Designer Mauric / Gaubert
Builder CN Azuréen (FRA)
First Built 1966
Associations Half Ton Class
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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
22.68
Ballast/Displacement Ballast to Displacement ratio shows what percentage of the boat's total weight is ballast. Higher values generally mean better initial stability and stiffer sail carrying.
30–35% — Typical cruiser35–45% — Stiff performance boatOver 45% — Racing oriented
47.99
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
208.44
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
18.62
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
2.02
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. 6.39 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. 725.73 pounds/inch
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