Home/ Boats/ Borge Bringsvaerd/ Bb11
Sailboat Specifications

Bb11

Fractional Sloop · Fin Keel

Designed by Borge Bringsvaerd · Built by Borge Bringsvaerd · First built 1956

+ Add to Compare
LOA 20.28 ft  ·  Beam 5.84 ft  ·  Displacement 1,433.00 lb  ·  Sail Area 120.00 ft²  ·  Fractional Sloop  ·  Fin Keel
About the Bb11 Sailboat

With limited specifications available, the Bb11 represents a somewhat elusive entry in the sailing world, making it challenging to provide comprehensive details about its design philosophy and intended use. What information exists suggests this sailboat likely falls into the smaller vessel category, though without detailed dimensions or construction specifications, determining its exact sailing characteristics requires careful consideration of available context clues. Based on the naming convention and typical design patterns of similar boats, the Bb11 appears to be oriented toward recreational sailing rather than serious offshore passages. The compact nature implied by its designation suggests it would be most suitable for day sailing, coastal exploration, or as an entry-level cruising vessel for protected waters. Without comprehensive technical data, potential buyers should approach the Bb11 with additional research in mind, seeking out owner testimonials, surveyor reports, or manufacturer documentation to better understand its seaworthiness, build quality, and performance characteristics. The limited available specifications make it particularly important for prospective owners to conduct thorough inspections and sea trials before making purchasing decisions, ensuring the boat meets their specific sailing needs and expectations.

Dimensions & Specifications
LOA (Length Overall) 20.28 ft / 6.18 m
LWL (Waterline Length) 13.45 ft / 4.10 m
Beam 5.84 ft / 1.78 m
Max Draft 3.22 ft / 0.98 m
Displacement 1,433.00 lb / 650 kg
Ballast 606.00 lb / 275 kg
Sail Area (Reported) 120.00 ft² / 11.15 m²
Design & Construction
Hull Type Fin Keel
Rigging Type Fractional Sloop
Construction Wood - carvel (mahogany on oak)
Designer Borge Bringsvaerd
Builder Borge Bringsvaerd
First Built 1956
Last Built 1968
Owner Reviews

No owner reviews yet — be the first to share your experience with this boat.

Frequently Asked Questions

What is the Bb11's sail area to displacement ratio?

The Bb11 has a Sail Area to Displacement ratio (SA/D) of 15.14. Values between 14–18 are typical cruising sailboats; 18–22 is cruiser/racer; over 22 is performance racing.

What is the Bb11's comfort ratio?

The Bb11 has a Ted Brewer Comfort Ratio of 13.61. A ratio over 30 indicates good offshore comfort; over 40 is very comfortable offshore.

Is the Bb11 safe for offshore sailing?

The Bb11 has a Capsize Screening Formula value of 2.07. Values under 2.0 are considered acceptable for offshore sailing; under 1.8 is ideal.

What is the hull speed of the Bb11?

The theoretical hull speed of the Bb11 is 4.91 knots, calculated from its waterline length.

How much does a Bb11 weigh?

The Bb11 has a displacement of 1,433.00 lb and a length overall (LOA) of 20.28 ft.

Who designed the Bb11?

The Bb11 was designed by Borge Bringsvaerd, first built in 1956.