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Moore 24
Designer: George Olson, Ron Moore  ·  Builder: Moore Brothers (Usa)  ·  First built: 1974
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About the Moore 24

Designed by George Olson and Ron Moore in 1974, this compact 24-footer has earned a devoted following among performance-oriented sailors seeking an affordable entry into competitive racing. With 158 hulls built by Moore Brothers, the Moore 24 represents a successful balance of speed, simplicity, and one-design racing potential. The boat's lightweight displacement of 2,050 pounds combined with a substantial sail area of 247 square feet creates an impressively high sail area-to-displacement ratio of 24.55, indicating genuine racing performance. The fin keel and spade rudder configuration provides responsive handling and efficient upwind performance, while the fractional sloop rig offers versatility in varying wind conditions. At 23.75 feet overall with a 21.75-foot waterline, this fiberglass design maximizes sailing length while remaining trailerable. The extremely low comfort ratio of 10.27 clearly indicates the Moore 24's racing pedigree rather than cruising accommodations, making it ideal for day sailing, club racing, and competitive one-design fleets. Popular on the West Coast, the Moore 24 has developed a reputation as an excellent trainer for sailors moving up from dinghies to keelboats, offering genuine performance sailing without the complexity or cost of larger racing machines.

Core Dimensions
LOA (Length Overall) 23.75 ft / 7.24 m
LWL (Waterline Length) 21.75 ft / 6.63 m
Beam 7.17 ft / 2.19 m
Max Draft 4.08 ft / 1.24 m
Displacement 2,050.00 lb / 930 kg
Ballast 1,000.00 lb / 454 kg
Sail Area (Reported) 247.00 ft² / 22.95 m²
Design & Construction
Hull Type Fin w/spade rudder
Rigging Type Fractional Sloop
Construction FG
Designer George Olson, Ron Moore
Builder Moore Brothers (USA)
First Built 1974
Number Built 158
Associations Moore 24 Racing (Class Assoc.)
Owner Reviews

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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
 158
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
 24.55
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
 48.78
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
 88.95
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
 10.27
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
 2.26
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. 6.25 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
 5.69
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. 557.22 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. 24.52
Rig Dimensions
I (Foretriangle Height) 26.25 ft / 8.00 m
J (Foretriangle Base) 9.75 ft / 2.97 m
P (Mainsail Luff) 25.00 ft / 7.62 m
E (Mainsail Foot) 9.50 ft / 2.90 m
SA Fore 127.97 ft² / 11.89 m²
SA Main 118.75 ft² / 11.03 m²
SA Total (100%) 246.72 ft² / 22.92 m²
Est. Forestay Length 28.00 ft / 8.53 m
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