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Warsash One Design
Designer: Fred Parker  ·  Builder: Russell Marine  ·  First built: 1968
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About the Warsash One Design

Originating from the waters around Warsash on the River Hamble in southern England, this compact one-design class has long been associated with close-quarters racing and the development of skilled club sailors. Designed specifically for one-design competition, the Warsash One Design fosters tight, tactical racing where boat handling and crew work matter far more than any equipment advantage — a hallmark of the one-design philosophy at its best. Built for inshore and estuary racing, the boat suits sailors who enjoy competitive fleet racing in sheltered or semi-sheltered waters rather than offshore passages. Its one-design nature means fleets race on level terms, making it a rewarding choice for those looking to sharpen their racing instincts in a competitive but accessible environment. While detailed specifications are limited, the boat's enduring presence in the Warsash area speaks to a loyal and active local community that has kept the class alive over the years. For anyone considering entry into organised club racing on the Solent or nearby waterways, the Warsash One Design represents an appealing option rooted in tradition and genuine competitive spirit.

Core Dimensions
LOA (Length Overall) 26.67 ft / 8.13 m
LWL (Waterline Length) 19.67 ft / 6.00 m
Beam 7.25 ft / 2.21 m
Max Draft 4.00 ft / 1.22 m
Displacement 4,409.00 lb / 2,000 kg
Ballast 2,000.00 lb / 907 kg
Sail Area (Reported) 234.00 ft² / 21.74 m²
Design & Construction
Hull Type Fin Keel
Rigging Type Masthead Sloop
Construction FG
Designer Fred Parker
Builder Russell Marine
First Built 1968
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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
13.96
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
22.35
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
1.77
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. 5.94
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. 509.55
How It Compares

vs. Cal 2 27, Coronado 27, Nicholson 26

This boat Similar boats
Dimensions
LOA
Warsash One Design ★
26.7 ft
Cal 2 27
26.6 ft
Coronado 27
26.7 ft
Nicholson 26
26.6 ft
LWL
Warsash One Design ★
19.7 ft
Cal 2 27
22.1 ft
Coronado 27
22.0 ft
Nicholson 26
20.0 ft
Beam
Warsash One Design ★
7.3 ft
Cal 2 27
9.3 ft
Coronado 27
8.5 ft
Nicholson 26
7.8 ft
Displacement
Warsash One Design ★
4 lbs
Cal 2 27
6 lbs
Coronado 27
6 lbs
Nicholson 26
10 lbs
Ballast
Warsash One Design ★
2 lbs
Cal 2 27
3 lbs
Coronado 27
2 lbs
Nicholson 26
Sail Area
Warsash One Design ★
234 sq ft
Cal 2 27
374 sq ft
Coronado 27
Nicholson 26
302 sq ft
Performance
SA / Displacement (higher = more powerful)
Warsash One Design ★
14.0
Cal 2 27
16.9
Coronado 27
Nicholson 26
10.3
Comfort Ratio (higher = more comfortable offshore)
Warsash One Design ★
22.4
Cal 2 27
22.8
Coronado 27
Nicholson 26
47.3
Capsize Screening (lower = safer)
Warsash One Design ★
1.77
Cal 2 27
1.97
Coronado 27
Nicholson 26
1.43
Hull Speed
Warsash One Design ★
5.9 kts
Cal 2 27
6.3 kts
Coronado 27
Nicholson 26
6.0 kts
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