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Najad 371
Designer: Peter Norlin  ·  Builder: Najad Varvet Ab  ·  First built: 1983
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About the Najad 371

Built by Sweden's respected Najad Varvet Ab from 1983 to 1985, this Peter Norlin-designed cruiser represents classic Scandinavian boatbuilding philosophy focused on seaworthiness and quality construction. The 371's robust fiberglass hull features a fin keel with rudder mounted on a protective skeg, providing excellent directional stability while offering some protection for the rudder in shallow waters or when running aground. With a displacement of 19,841 pounds and ballast of 8,157 pounds, this masthead sloop strikes an appealing balance between performance and comfort. The substantial displacement and moderate sail area-to-displacement ratio of 13.15 suggest a boat designed more for comfortable passage-making than racing, though she's certainly no slouch under sail. Her comfort ratio of 35.37 indicates excellent motion characteristics for extended offshore passages. The 371's design priorities clearly favor serious coastal and offshore cruising. Her capsize screening value of 1.7 falls well within accepted standards for ocean passages, while the hull's proportions and construction quality reflect Najad's reputation for building boats capable of handling challenging conditions. The generous 61-horsepower engine ensures reliable auxiliary power for windless conditions or tight marina maneuvering, making this a practical choice for cruising couples seeking a proven offshore platform.

Core Dimensions
LOA (Length Overall) 37.73 ft / 11.50 m
LWL (Waterline Length) 31.82 ft / 9.70 m
Beam 11.48 ft / 3.50 m
Max Draft 5.74 ft / 1.75 m
Displacement 19,841.00 lb / 9,000 kg
Ballast 8,157.00 lb / 3,700 kg
Ballast Type Iron
Sail Area (Reported) 600.00 ft² / 55.74 m²
Design & Construction
Hull Type Fin with rudder on skeg
Rigging Type Masthead Sloop
Construction FG
Designer Peter Norlin
Builder Najad Varvet AB
First Built 1983
Last Built 1985
Related Sailboats ["Najad 37" · "Contest 37" · "Sabre 38" · "Ericson 38" · "Moody 376"]
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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
 13.15
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
 41.11
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
 274.93
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
 35.37
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
 1.7
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. 7.56 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
 1.59
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. 1,305.23 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. 13.15
Rig Dimensions
I (Foretriangle Height) 43.93 ft / 13.39 m
J (Foretriangle Base) 13.78 ft / 4.20 m
P (Mainsail Luff) 42.16 ft / 12.85 m
E (Mainsail Foot) 14.11 ft / 4.30 m
SA Fore 302.68 ft² / 28.12 m²
SA Main 297.44 ft² / 27.63 m²
SA Total (100%) 600.12 ft² / 55.75 m²
Est. Forestay Length 46.04 ft / 14.03 m
Engine & Accommodations
Engine Make Volvo Penta
Engine Model MD21B
Engine Type Diesel
Horsepower 61
Fuel Capacity 79 gals / 299 L
Water Capacity 106 gals / 401 L
How It Compares

vs. Contest 37, Ericson 38, Sabre 38

This boat Similar boats
Dimensions
LOA
Najad 371 ★
37.7 ft
Contest 37
37.7 ft
Ericson 38
37.7 ft
Sabre 38
37.8 ft
LWL
Najad 371 ★
31.8 ft
Contest 37
31.1 ft
Ericson 38
30.5 ft
Sabre 38
31.2 ft
Beam
Najad 371 ★
11.5 ft
Contest 37
12.0 ft
Ericson 38
12.0 ft
Sabre 38
11.5 ft
Displacement
Najad 371 ★
19 lbs
Contest 37
21 lbs
Ericson 38
14 lbs
Sabre 38
15 lbs
Ballast
Najad 371 ★
8 lbs
Contest 37
6 lbs
Ericson 38
5 lbs
Sabre 38
6 lbs
Sail Area
Najad 371 ★
600 sq ft
Contest 37
840 sq ft
Ericson 38
709 sq ft
Sabre 38
—
Performance
PHRF Rating (lower = faster)
Najad 371 ★
—
Contest 37
—
Ericson 38
126 s/nm
Sabre 38
114 s/nm
SA / Displacement (higher = more powerful)
Najad 371 ★
13.2
Contest 37
17.7
Ericson 38
19.6
Sabre 38
—
Ballast / Disp (higher = stiffer)
Najad 371 ★
41.1 %
Contest 37
30.4 %
Ericson 38
—
Sabre 38
42.1 %
Comfort Ratio (higher = more comfortable offshore)
Najad 371 ★
35.4
Contest 37
36.0
Ericson 38
24.2
Sabre 38
—
Capsize Screening (lower = safer)
Najad 371 ★
1.70
Contest 37
1.74
Ericson 38
2.00
Sabre 38
—
Displacement / Length (lower = lighter)
Najad 371 ★
274
Contest 37
311
Ericson 38
—
Sabre 38
224
Hull Speed
Najad 371 ★
7.6 kts
Contest 37
7.5 kts
Ericson 38
7.4 kts
Sabre 38
—
Speed Number (higher = faster)
Najad 371 ★
1.6
Contest 37
—
Ericson 38
2.7
Sabre 38
—
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