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Bianca 27
Designer: Svend Aage Christensen  ·  Builder: Bianca A/S  ·  First built: 1964
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About the Bianca 27

Finding detailed information about the Bianca 27 proves challenging, as this sailboat remains relatively obscure in mainstream sailing circles. With limited specifications publicly available, potential buyers will need to conduct thorough research and inspections when considering this vessel. Based on its designation as a 27-footer, this sailboat likely falls into the popular small to mid-size cruising category that became prevalent during the 1970s and 1980s. Boats of this length typically offer a good balance between manageable size for smaller crews and sufficient interior space for weekend cruising or short coastal passages. Without comprehensive specifications readily accessible, prospective owners should focus on individual boat condition and configuration when evaluating a Bianca 27. The scarcity of available information suggests this may have been a limited production model or potentially built by a smaller manufacturer that didn't achieve widespread market penetration. For sailors considering a Bianca 27, thorough marine surveys become particularly important given the limited documented history. The boat's suitability for specific sailing applications would depend heavily on individual boat condition, rigging configuration, and any modifications made over the years. Coastal cruising and daysailing represent the most likely appropriate uses for a vessel in this size range.

Core Dimensions
LOA (Length Overall) 27.08 ft / 8.25 m
LWL (Waterline Length) 20.33 ft / 6.20 m
Beam 8.00 ft / 2.44 m
Max Draft 4.58 ft / 1.40 m
Displacement 7,165.00 lb / 3,250 kg
Ballast 3,197.00 lb / 1,450 kg
Sail Area (Reported) 320.00 ft² / 29.73 m²
Headroom 5.97 ft / 1.82 m
Design & Construction
Hull Type Long keel w/trans. hung rudder
Rigging Type Masthead Sloop
Construction FG w/airex cored deck
Designer Svend Aage Christensen
Builder Bianca A/S
First Built 1964
Last Built 1975
Owner Reviews

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Performance Ratios
SA/Displacement Sail Area to Displacement ratio measures how much sail power a boat has relative to its weight. Higher values mean more performance and speed.
Under 14 — Heavy cruiser, slow14–18 — Cruising sailboat18–22 — Cruiser/racerOver 22 — Performance racer
13.82
Comfort Ratio Ted Brewer's Comfort Ratio predicts how comfortable a boat will feel in offshore conditions. Higher values mean a steadier, more comfortable motion in a seaway.
Under 20 — Uncomfortably rough20–30 — Acceptable coastal30–40 — Good offshore comfortOver 40 — Very comfortable offshore
31.03
Capsize Screening Formula The USHS Capsize Screening Formula estimates offshore capsize risk. Lower is safer — values under 2.0 are considered acceptable for offshore sailing.
Under 2.0 — Safe for offshore2.0–2.2 — Borderline offshoreOver 2.2 — Coastal use recommended
1.66
Hull Speed Hull Speed is the theoretical maximum speed of a displacement hull, calculated from waterline length. Most cruising sailboats reach this speed in moderate conditions. 6.04
Pounds/Inch Immersion Pounds per Inch Immersion (PPI) tells you how much weight is needed to sink the boat one inch. Useful for calculating how additional gear and stores affect waterline. 581.13
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