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Sailboat Specifications

Opus 34

Masthead Sloop · Fin Keel

Designed by Odd Rembert Andersen · Built by Opus Værft · First built 1970

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LOA 34.19 ft  ·  Beam 10.40 ft  ·  Displacement 10,582.00 lb  ·  Sail Area 409.00 ft²  ·  Masthead Sloop  ·  Fin Keel
About the Opus 34 Sailboat

Designed as a capable and versatile sailing yacht, the Opus 34 occupies a comfortable place in the cruising market for sailors seeking a well-rounded coastal and offshore companion. Built with a focus on practical performance, this mid-sized sloop offers enough interior comfort for extended passages while remaining manageable for a short-handed crew or family sailing adventures. The Opus 34 carries a reputation as a solid, dependable cruiser that rewards sailors who value seakeeping ability over outright speed. Its hull form is designed to handle a range of conditions with confidence, making it a reasonable choice for those looking to venture beyond sheltered waters without the complexity of a purpose-built offshore racer. While detailed specifications are limited, the Opus 34 appears to be aimed at sailors who want a balanced blend of liveability and sailing performance. Whether navigating coastal passages or tackling more ambitious itineraries, this is a boat that suits the experienced cruiser looking for reliability and ease of handling. Prospective buyers are encouraged to inspect examples closely and consult owner communities for deeper insight into long-term performance and maintenance considerations.

Dimensions & Specifications
LOA (Length Overall) 34.19 ft / 10.42 m
LWL (Waterline Length) 24.02 ft / 7.32 m
Beam 10.40 ft / 3.17 m
Max Draft 5.51 ft / 1.68 m
Displacement 10,582.00 lb / 4,800 kg
Ballast 4,233.00 lb / 1,920 kg
Sail Area (Reported) 409.00 ft² / 38.00 m²
Design & Construction
Hull Type Fin Keel
Rigging Type Masthead Sloop
Construction FG
Designer Odd Rembert Andersen
Builder Opus værft
First Built 1970
Last Built 1982
Related Sailboats Contest 34 · Sabre 34 · Ericson 34 · J/34 · Rival 34
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Frequently Asked Questions

What is the Opus 34's sail area to displacement ratio?

The Opus 34 has a Sail Area to Displacement ratio (SA/D) of 13.62. Values between 14–18 are typical cruising sailboats; 18–22 is cruiser/racer; over 22 is performance racing.

What is the Opus 34's comfort ratio?

The Opus 34 has a Ted Brewer Comfort Ratio of 26.7. A ratio over 30 indicates good offshore comfort; over 40 is very comfortable offshore.

Is the Opus 34 safe for offshore sailing?

The Opus 34 has a Capsize Screening Formula value of 1.9. Values under 2.0 are considered acceptable for offshore sailing; under 1.8 is ideal.

What is the hull speed of the Opus 34?

The theoretical hull speed of the Opus 34 is 6.57 knots, calculated from its waterline length.

How much does a Opus 34 weigh?

The Opus 34 has a displacement of 10,582.00 lb and a length overall (LOA) of 34.19 ft.

Who designed the Opus 34?

The Opus 34 was designed by Odd Rembert Andersen, first built in 1970.