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Laurin 28
Designer: Arvid Laurin  ·  Builder: Norrlandsplast  ·  First built: 1966
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About the Laurin 28

Designed by Swedish naval architect Arvid Laurin and built by Norrlandsplast from 1966 to 1982, this 27-foot sailboat represents solid Scandinavian craftsmanship from the era when fiberglass construction was coming into its own. With 155 hulls produced over sixteen years, the Laurin 28 earned a reputation as a capable coastal cruiser well-suited to European waters. The boat's long keel configuration and substantial displacement of 7,275 pounds, nearly half of which is ballast, create exceptional stability and seaworthiness. This traditional underbody design tracks beautifully and provides confidence in challenging conditions, though it sacrifices some maneuverability in tight quarters. The masthead sloop rig delivers manageable sail handling with adequate power for cruising. With a comfort ratio of 27.24 and capsize screening value of 1.7, the Laurin 28 demonstrates characteristics favoring comfort over speed, making it particularly appealing to cruising sailors who prioritize stability and ease of motion. The moderate sail area to displacement ratio suggests respectable performance in light to moderate conditions while remaining forgiving for less experienced crews. This design suits coastal cruising and short offshore passages, offering the security and sea-kindly motion that Scandinavian builders became known for during this classic period of sailboat development.

Core Dimensions
LOA (Length Overall) 27.36 ft / 8.34 m
LWL (Waterline Length) 24.02 ft / 7.32 m
Beam 8.20 ft / 2.50 m
Max Draft 4.43 ft / 1.35 m
Displacement 7,275.00 lb / 3,300 kg
Ballast 3,527.00 lb / 1,600 kg
Ballast Type Lead
Sail Area (Reported) 355.00 ft² / 32.98 m²
Design & Construction
Hull Type Long Keel
Rigging Type Masthead Sloop
Construction FG
Designer Arvid Laurin
Builder Norrlandsplast
First Built 1966
Last Built 1982
Number Built 155
Associations Laurin Koster
Related Sailboats ["Contest 27" · "Lm 27" · "Contessa 27" · "Cal 27" · "Cc 27 Mk I"]
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
 240
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
 15.18
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
 48.48
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
 234.35
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
 27.24
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. 6.57 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. 703.77 pounds/inch
How It Compares

vs. Cal 27, Contessa 27, Lm 27

This boat Similar boats
Dimensions
LOA
Laurin 28 ★
27.4 ft
Cal 27
27.3 ft
Contessa 27
27.5 ft
Lm 27
27.4 ft
LWL
Laurin 28 ★
24.0 ft
Cal 27
22.3 ft
Contessa 27
23.5 ft
Lm 27
23.3 ft
Beam
Laurin 28 ★
8.2 ft
Cal 27
9.0 ft
Contessa 27
10.0 ft
Lm 27
9.0 ft
Displacement
Laurin 28 ★
7 lbs
Cal 27
5 lbs
Contessa 27
5 lbs
Lm 27
8 lbs
Ballast
Laurin 28 ★
3 lbs
Cal 27
2 lbs
Contessa 27
2 lbs
Lm 27
3 lbs
Sail Area
Laurin 28 ★
355 sq ft
Cal 27
—
Contessa 27
413 sq ft
Lm 27
323 sq ft
Performance
PHRF Rating (lower = faster)
Laurin 28 ★
240 s/nm
Cal 27
198 s/nm
Contessa 27
—
Lm 27
—
SA / Displacement (higher = more powerful)
Laurin 28 ★
15.2
Cal 27
—
Contessa 27
20.7
Lm 27
12.2
Ballast / Disp (higher = stiffer)
Laurin 28 ★
48.5 %
Cal 27
50.5 %
Contessa 27
45.4 %
Lm 27
45.0 %
Comfort Ratio (higher = more comfortable offshore)
Laurin 28 ★
27.2
Cal 27
—
Contessa 27
16.8
Lm 27
29.7
Capsize Screening (lower = safer)
Laurin 28 ★
1.70
Cal 27
—
Contessa 27
2.24
Lm 27
1.75
Displacement / Length (lower = lighter)
Laurin 28 ★
234
Cal 27
216
Contessa 27
197
Lm 27
311
Hull Speed
Laurin 28 ★
6.6 kts
Cal 27
—
Contessa 27
6.5 kts
Lm 27
6.5 kts
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