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Sailboat Specifications

Crown 31

Fractional Sloop · Fin W/Spade Rudder

Designed by Håkan Södergren · Built by Crown Marine (Fin) · First built 1983

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LOA 31.00 ft  ·  Beam 9.84 ft  ·  Displacement 9,479.00 lb  ·  Sail Area 510  ·  Fractional Sloop  ·  Fin W/Spade Rudder
About the Crown 31 Sailboat

With limited specifications available for research, the Crown 31 represents a less documented chapter in sailing history, making it an intriguing prospect for boat enthusiasts seeking something off the beaten path. This 31-foot sailboat likely emerged during an era when many manufacturers were experimenting with hull designs and construction methods to balance performance with affordability. Based on its size classification, the Crown 31 would typically appeal to sailors interested in coastal cruising and weekend adventures, offering enough space for comfortable short-term living aboard while remaining manageable for smaller crews. Boats in this length range often strike an appealing balance between interior accommodations and sailing performance, making them versatile platforms for both day sailing and extended cruising. The scarcity of detailed information about the Crown 31 suggests it may have had a limited production run or represented a smaller manufacturer's effort to compete in the competitive 30-foot market segment. For potential buyers, this obscurity could translate to attractive pricing opportunities, though it also means sourcing parts and finding knowledgeable service providers might require additional effort. Prospective owners should carefully inspect any available examples and research the builder's reputation and construction quality before making a purchase decision.

Dimensions & Specifications
LOA (Length Overall) 31.00 ft / 9.45 m
LWL (Waterline Length) 25.60 ft / 7.80 m
Beam 9.84 ft / 3.00 m
Max Draft 5.25 ft / 1.60 m
Displacement 9,479.00 lb / 4,300 kg
Ballast 2,204.00 lb / 1,000 kg
Sail Area (Reported) 510
Design & Construction
Hull Type Fin w/spade rudder
Rigging Type Fractional Sloop
Construction FG
Designer Håkan Södergren
Builder Crown Marine (FIN)
First Built 1983
Last Built 1987
Related Sailboats Mp 31 · Inferno 31 · Parker 31 · Bristol 311 · Hughes 31
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Frequently Asked Questions

What is the Crown 31's sail area to displacement ratio?

The Crown 31 has a Sail Area to Displacement ratio (SA/D) of 18.28. Values between 14–18 are typical cruising sailboats; 18–22 is cruiser/racer; over 22 is performance racing.

What is the Crown 31's comfort ratio?

The Crown 31 has a Ted Brewer Comfort Ratio of 25.6. A ratio over 30 indicates good offshore comfort; over 40 is very comfortable offshore.

Is the Crown 31 safe for offshore sailing?

The Crown 31 has a Capsize Screening Formula value of 1.86. Values under 2.0 are considered acceptable for offshore sailing; under 1.8 is ideal.

What is the hull speed of the Crown 31?

The theoretical hull speed of the Crown 31 is 6.78 knots, calculated from its waterline length.

How much does a Crown 31 weigh?

The Crown 31 has a displacement of 9,479.00 lb and a length overall (LOA) of 31.00 ft.

Who designed the Crown 31?

The Crown 31 was designed by Håkan Södergren, first built in 1983.