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King Arthur 35
Designer: Walter F. Rayner  ·  First built: 1956
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About the King Arthur 35

With limited specifications available, the King Arthur 35 remains something of an enigma in the sailing world, though its name suggests a vessel with aspirations toward noble maritime adventures. This 35-foot sailboat appears to have been designed during an era when builders were experimenting with various approaches to mid-size cruising sailboats. Based on its size category, the King Arthur 35 would typically be suited for coastal cruising and weekend sailing, with the length suggesting enough interior volume for comfortable short-term cruising with a small crew or family. The 35-foot range generally represents a sweet spot for sailors seeking a manageable boat that still offers reasonable accommodations and sailing performance. Without detailed specifications, potential buyers should investigate the boat's construction quality, sail plan configuration, and interior layout carefully. The limited available information suggests this may be a lesser-known design, which could mean either hidden value for buyers willing to do thorough research, or potential challenges with parts availability and resale value. Prospective owners should examine any King Arthur 35 with particular attention to structural integrity and systems condition, given the uncertainty surrounding the model's production history and support network.

Core Dimensions
LOA (Length Overall) 35.50 ft / 10.82 m
LWL (Waterline Length) 25.00 ft / 7.62 m
Beam 9.33 ft / 2.84 m
Max Draft 5.25 ft / 1.60 m
Displacement 12,000.00 lb / 5,443 kg
Ballast 5,000.00 lb / 2,268 kg
Sail Area (Reported) 554.00 ft² / 51.47 m²
Design & Construction
Hull Type Long Keel
Rigging Type Masthead Sloop
Construction Wood
Designer Walter F. Rayner
First Built 1956
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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
16.97
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
33.64
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
1.63
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. 6.7
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. 833.43
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