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Mamba 35
Designer: Jan & Harry Becker  ·  Builder: Bk Marin Ab  ·  First built: 1981
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About the Mamba 35

With limited specifications available, the Mamba 35 represents something of a mystery in the sailing world, making research challenging for prospective buyers. This 35-foot sailboat appears to be a relatively obscure design that hasn't achieved widespread recognition in mainstream sailing circles. Given the scarcity of detailed information, potential owners should approach this boat with careful consideration and thorough inspection. The Mamba name suggests performance-oriented characteristics, though without comprehensive specifications, it's difficult to determine whether this translates to racing capability, spirited coastal cruising, or general recreational sailing. The lack of readily available data points to either a limited production run, a regional builder, or possibly a design that didn't gain significant market traction. This could present both challenges and opportunities for buyers. On one hand, parts availability, dealer support, and resale values may be concerns. Conversely, the boat might represent exceptional value for sailors willing to take on a less common design. For anyone seriously considering a Mamba 35, extensive surveying becomes even more critical than usual. Connecting with existing owners, if possible, would provide invaluable insights into the boat's real-world performance, construction quality, and ongoing maintenance requirements.

Core Dimensions
LOA (Length Overall) 35.60 ft / 10.85 m
LWL (Waterline Length) 29.20 ft / 8.90 m
Beam 10.17 ft / 3.10 m
Max Draft 5.74 ft / 1.75 m
Displacement 11,464.00 lb / 5,200 kg
Ballast 4,850.00 lb / 2,200 kg
Sail Area (Reported) 573.00 ft² / 53.23 m²
Design & Construction
Hull Type Fin w/spade rudder
Rigging Type Fractional Sloop
Construction FG
Designer Jan & Harry Becker
Builder BK Marin AB
First Built 1981
Last Built 1988
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
18.09
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
25.92
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
1.81
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. 7.24
S# (Speed Number) The Speed Number (S#) is a quick performance index. Higher values indicate a faster, more powerful design relative to its size.
Under 3.0 — Slow cruiser3.0–5.0 — Average cruiser5.0–7.0 — Performance cruiserOver 7.0 — Racer
2.76
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. 1.0
Rig Dimensions
I (Foretriangle Height) 42.98
J (Foretriangle Base) 12.14
P (Mainsail Luff) 47.57
E (Mainsail Foot) 13.12
SA Fore 260.89
SA Main 312.06
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