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Sailboat Specifications

Cap Horn

Masthead Sloop · Keel/Cbrd.

Designed by Jean-Jacques Herbulot · Built by Jouet (Fra) · First built 1959

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LOA 21.33 ft  ·  Beam 7.08 ft  ·  Displacement 2,000.00 lb  ·  Sail Area 240.00 ft²  ·  Masthead Sloop  ·  Keel/Cbrd.
About the Cap Horn Sailboat

Designed by renowned French naval architect Jean-Jacques Herbulot in 1959, the Cap Horn represents a classic example of European small boat craftsmanship from France's Jouet shipyard. This compact 21-footer showcases traditional wooden construction with thoughtful proportions that reflect the designer's expertise in creating seaworthy pocket cruisers. The boat's masthead sloop rig and moderate sail area make it well-suited for coastal cruising and weekend adventures, while its substantial ballast-to-displacement ratio of 44% provides reassuring stability. The keel/centerboard configuration offers versatility, allowing access to shallow anchorages while maintaining good windward performance when the board is deployed. With a comfort ratio of 11.3, the Cap Horn leans toward the sportier end of the cruising spectrum, suggesting lively sailing characteristics rather than purely comfortable motion. The deep draft and respectable displacement create a boat that should handle coastal conditions confidently, though the relatively high capsize screening number indicates it's best kept closer to shore. Hull speed calculations suggest pleasant performance under sail, making this an appealing choice for sailors seeking a traditional wooden boat with proven French design pedigree for protected water cruising.

Dimensions & Specifications
LOA (Length Overall) 21.33 ft / 6.50 m
LWL (Waterline Length) 19.67 ft / 6.00 m
Beam 7.08 ft / 2.16 m
Max Draft 5.20 ft / 1.58 m
Min Draft 2.16 ft / 0.66 m
Displacement 2,000.00 lb / 907 kg
Ballast 880.00 lb / 399 kg
Sail Area (Reported) 240.00 ft² / 22.30 m²
Design & Construction
Hull Type Keel/Cbrd.
Rigging Type Masthead Sloop
Construction Wood
Designer Jean-Jacques Herbulot
Builder Jouet (FRA)
First Built 1959
Related Sailboats Golif Jouet · Muscadet · Sylphe Dufour · Trotter · Splinter 21
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Engine & Accommodations
Water Capacity 10 gals / 38 L
Frequently Asked Questions

What is the Cap Horn's sail area to displacement ratio?

The Cap Horn has a Sail Area to Displacement ratio (SA/D) of 24.25. Values between 14–18 are typical cruising sailboats; 18–22 is cruiser/racer; over 22 is performance racing.

What is the Cap Horn's comfort ratio?

The Cap Horn has a Ted Brewer Comfort Ratio of 11.3. A ratio over 30 indicates good offshore comfort; over 40 is very comfortable offshore.

Is the Cap Horn safe for offshore sailing?

The Cap Horn has a Capsize Screening Formula value of 2.25. Values under 2.0 are considered acceptable for offshore sailing; under 1.8 is ideal.

What is the hull speed of the Cap Horn?

The theoretical hull speed of the Cap Horn is 5.94 kn knots, calculated from its waterline length.

How much does a Cap Horn weigh?

The Cap Horn has a displacement of 2,000.00 lb and a length overall (LOA) of 21.33 ft.

Who designed the Cap Horn?

The Cap Horn was designed by Jean-Jacques Herbulot, first built in 1959.