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Sailboat Specifications

Allegro 33

Masthead Sloop · Long Keel

Designed by Lars Olof Norlin · Built by Acva-Båt (Swe) · First built 1970

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LOA 32.18 ft  ·  Beam 10.93 ft  ·  Displacement 12,345.00 lb  ·  Sail Area 524.00 ft²  ·  Masthead Sloop  ·  Long Keel
About the Allegro 33 Sailboat

Designed by renowned Swedish naval architect Lars Olof Norlin and built by Acva-Båt from 1970 to 1985, this masthead sloop represents solid Scandinavian craftsmanship from an era when cruising boats prioritized seaworthiness over speed. With only 150 hulls produced during its 15-year production run, the Allegro 33 has become a relatively rare find in today's used boat market. The boat's long keel configuration and substantial ballast-to-displacement ratio create exceptional directional stability and a forgiving motion in heavy seas, making it well-suited for coastal cruising and offshore passages. The moderate sail area and masthead rig provide manageable sailing characteristics, while the fiberglass construction ensures durability with reasonable maintenance requirements. At 32 feet overall with a beam just under 11 feet, the Allegro 33 offers comfortable accommodations without excessive width. The impressive comfort ratio suggests this boat excels in rough conditions, while the conservative capsize screening number indicates excellent stability margins. Though not designed for racing, the hull generates respectable speeds for weekend cruising and longer voyages. This design appeals to sailors seeking a traditional, well-built cruiser capable of handling challenging conditions with confidence and predictability.

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Dimensions & Specifications
LOA (Length Overall) 32.18 ft / 9.81 m
LWL (Waterline Length) 28.94 ft / 8.82 m
Beam 10.93 ft / 3.33 m
Max Draft 4.92 ft / 1.50 m
Displacement 12,345.00 lb / 5,600 kg
Ballast 6,173.00 lb / 2,800 kg
Ballast Type Iron
Sail Area (Reported) 524.00 ft² / 48.68 m²
Design & Construction
Hull Type Long Keel
Rigging Type Masthead Sloop
Construction FG
Designer Lars Olof Norlin
Builder ACVA-Båt (SWE)
First Built 1970
Last Built 1985
Number Built 150
Owner Reviews

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Engine & Accommodations
Engine Make Volvo Penta
Engine Model MD11C
Engine Type Diesel
Frequently Asked Questions

What is the Allegro 33's sail area to displacement ratio?

The Allegro 33 has a Sail Area to Displacement ratio (SA/D) of 15.75. Values between 14–18 are typical cruising sailboats; 18–22 is cruiser/racer; over 22 is performance racing.

What is the Allegro 33's comfort ratio?

The Allegro 33 has a Ted Brewer Comfort Ratio of 26.39. A ratio over 30 indicates good offshore comfort; over 40 is very comfortable offshore.

Is the Allegro 33 safe for offshore sailing?

The Allegro 33 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 Allegro 33?

The theoretical hull speed of the Allegro 33 is 7.21 kn knots, calculated from its waterline length.

How much does a Allegro 33 weigh?

The Allegro 33 has a displacement of 12,345.00 lb and a length overall (LOA) of 32.18 ft.

Who designed the Allegro 33?

The Allegro 33 was designed by Lars Olof Norlin, first built in 1970.