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Lady Helmsman
Designer: Håkan Södergren  ·  Builder: Helmsman Yachts  ·  First built: 1976
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About the Lady Helmsman

While detailed specifications remain elusive for this particular sailboat model, the Lady Helmsman represents an intriguing entry in the sailing world that warrants attention from prospective boat buyers seeking something beyond the mainstream offerings. Given the evocative name, this vessel likely targets sailors who appreciate both performance and elegance on the water. The "Lady" designation often suggests refined aesthetics combined with capable handling characteristics, making it potentially well-suited for coastal cruising and weekend sailing adventures. Without comprehensive technical data available, researchers should approach this model with particular attention to individual boat condition and maintenance history. The limited specification availability may indicate either a boutique production run, regional market focus, or perhaps a vessel that didn't achieve widespread commercial distribution. For sailors considering the Lady Helmsman, direct inspection becomes even more critical than usual. Speaking with current or former owners, marine surveyors familiar with the type, and sailing communities in areas where these boats have appeared can provide valuable insights that specification sheets cannot offer. This boat may appeal most to sailors who value uniqueness and are comfortable with thorough pre-purchase research.

Core Dimensions
LOA (Length Overall) 39.70 ft / 12.10 m
LWL (Waterline Length) 31.10 ft / 9.48 m
Beam 8.25 ft / 2.51 m
Max Draft 5.74 ft / 1.75 m
Displacement 10,361.00 lb / 4,700 kg
Ballast 4,928.00 lb / 2,235 kg
Sail Area (Reported) 471.00 ft² / 43.76 m²
Design & Construction
Hull Type Fin with rudder on skeg
Rigging Type Fractional Sloop
Construction FG
Designer Håkan Södergren
Builder Helmsman Yachts
First Built 1976
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
15.91
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
28.59
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
1.52
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. 7.47
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
3.15
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. 916.77
Rig Dimensions
I (Foretriangle Height) 36.25
J (Foretriangle Base) 11.65
P (Mainsail Luff) 41.67
E (Mainsail Foot) 12.47
SA Fore 211.16
SA Main 259.81
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