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Moody 30
Designer: Angus Primrose  ·  Builder: Marine Projects Limited  ·  First built: 1975
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About the Moody 30

Designed by renowned naval architect Angus Primrose and built by Marine Projects Limited from 1975 to 1979, this 30-footer represents classic British yacht craftsmanship from the mid-1970s. With 162 hulls produced during its four-year production run, the Moody 30 established itself as a popular choice among sailors seeking a well-balanced coastal cruiser. The yacht's moderate proportions reflect Primrose's thoughtful approach to design, featuring a fin keel configuration that provides good sailing performance while maintaining reasonable stability. The masthead sloop rig with 399 square feet of sail area offers versatile sailing characteristics suitable for both day sailing and extended coastal cruising. Her fiberglass construction ensures durability, while the 8,100-pound displacement provides solid feel in varied conditions. Accommodation typically includes comfortable berths for four to six people, making her ideal for weekend getaways and holiday cruising. The Moody 30's comfort ratio of 21.2 indicates she'll provide reasonably comfortable motion at sea, while her moderate beam and draft make her suitable for exploring diverse cruising grounds. With her proven seaworthiness and classic lines, this design appeals to sailors who appreciate traditional yacht characteristics combined with reliable performance for coastal and near-shore adventures.

Core Dimensions
LOA (Length Overall) 30.00 ft / 9.14 m
LWL (Waterline Length) 26.00 ft / 7.92 m
Beam 10.08 ft / 3.07 m
Max Draft 4.75 ft / 1.45 m
Displacement 8,100.00 lb / 3,674 kg
Ballast 2,950.00 lb / 1,338 kg
Sail Area (Reported) 399.00 ft² / 37.07 m²
Design & Construction
Hull Type Fin Keel
Rigging Type Masthead Sloop
Construction FG
Designer Angus Primrose
Builder Marine Projects Limited
First Built 1975
Last Built 1979
Number Built 162
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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
 189
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
 15.88
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
 36.42
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
 205.74
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
 21.2
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
 2.01
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. 6.83 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
 2.51
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. 936.44 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. 15.87
Rig Dimensions
I (Foretriangle Height) 35.50 ft / 10.82 m
J (Foretriangle Base) 12.50 ft / 3.81 m
P (Mainsail Luff) 30.00 ft / 9.14 m
E (Mainsail Foot) 11.80 ft / 3.60 m
SA Fore 221.88 ft² / 20.61 m²
SA Main 177.00 ft² / 16.44 m²
SA Total (100%) 398.88 ft² / 37.06 m²
Est. Forestay Length 37.64 ft / 11.47 m
Engine & Accommodations
Engine Make Volvo
Engine Model MD11c
Engine Type Diesel
Horsepower 23
Fuel Capacity 30 gals / 114 L
Water Capacity 60 gals / 227 L
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