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Sailboat Specifications

Class 4

Solent · Catamaran Twin Keel

Designed by Erik Lerouge · Built by O Yachts (Latvia) · First built 2012

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LOA 45.90 ft  ·  Beam 24.93 ft  ·  Displacement 16,755.13 lb  ·  Sail Area 1,130.21 ft²  ·  Solent  ·  Catamaran Twin Keel
About the Class 4 Sailboat

Built for competitive one-design racing, this sleek sailboat represents a classic approach to small boat competition sailing. The Class 4 emerged from an era when simplicity and sailor skill took precedence over complex boat systems, making it an excellent platform for developing racing fundamentals. With its clean lines and purpose-built design, the Class 4 excels in fleet racing scenarios where tactical sailing and crew work determine success rather than equipment advantages. The boat's responsive handling characteristics make it particularly well-suited for close-quarters racing in protected waters, though its seaworthy design allows for more adventurous sailing when conditions permit. Racing enthusiasts appreciate the Class 4's honest sailing qualities and forgiving nature, which reward good technique while remaining manageable for developing sailors. The one-design format ensures that races are won through sailing skill rather than boat preparation, creating intense competition and fostering strong racing communities wherever active fleets exist. For sailors seeking an authentic racing experience without the complexity of modern high-performance boats, the Class 4 offers timeless appeal. Its straightforward systems and proven design make it an ideal choice for those who value traditional sailing fundamentals and spirited competition on the water.

Dimensions & Specifications
LOA (Length Overall) 45.90 ft / 13.99 m
Beam 24.93 ft / 7.60 m
Max Draft 3.48 ft / 1.06 m
Displacement 16,755.13 lb / 7,600 kg
Sail Area (Reported) 1,130.21 ft² / 105.00 m²
Design & Construction
Hull Type Catamaran Twin Keel
Rigging Type Solent
Construction FG w/foam core & carbon beams
Designer Erik Lerouge
Builder O Yachts (Latvia)
First Built 2012
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Engine & Accommodations
Horsepower 230
Fuel Capacity 106
Water Capacity 92
Frequently Asked Questions

What is the Class 4's sail area to displacement ratio?

The Class 4 has a Sail Area to Displacement ratio (SA/D) of 27.72. Values between 14–18 are typical cruising sailboats; 18–22 is cruiser/racer; over 22 is performance racing.

How much does a Class 4 weigh?

The Class 4 has a displacement of 16,755.13 lb and a length overall (LOA) of 45.90 ft.

Who designed the Class 4?

The Class 4 was designed by Erik Lerouge, first built in 2012.