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Atlantic 38 Raynor
Designer: Walter F. Rayner  ·  Builder: Woodnutt & Co (Uk)  ·  First built: 1963
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About the Atlantic 38 Raynor

Designed by Walter F. Rayner and built by the respected British yard Woodnutt & Co starting in 1963, this traditional 38-footer represents classic wooden yacht construction from sailing's golden era. The Atlantic 38's long keel configuration and substantial 21,000-pound displacement create a seaworthy platform that excels in offshore and coastal cruising applications. With her conservative masthead sloop rig carrying 583 square feet of sail area, this yacht prioritizes comfort and stability over speed. The impressive comfort ratio of 38.73 reflects her generous proportions and seakindly motion, while the capsize screening formula of 1.67 indicates excellent stability for extended passages. Her traditional long keel design provides exceptional tracking and directional stability, though maneuverability in tight quarters requires more planning than modern fin-keel designs. The substantial ballast-to-displacement ratio ensures powerful self-righting capability, making her well-suited for serious offshore work. Her hull speed of 7.34 knots offers respectable passage-making ability for a displacement hull of this vintage. The 56-horsepower engine provides adequate auxiliary power for harbor maneuvering and motoring in calm conditions. This classic design appeals to sailors who appreciate traditional aesthetics, solid construction, and proven seaworthiness over contemporary performance-oriented features.

Core Dimensions
LOA (Length Overall) 38.00 ft / 11.58 m
LWL (Waterline Length) 30.00 ft / 9.14 m
Beam 11.50 ft / 3.51 m
Max Draft 5.00 ft / 1.52 m
Displacement 21,000.00 lb / 9,525 kg
Ballast 7,800.00 lb / 3,538 kg
Ballast Type Iron
Sail Area (Reported) 583.00 ft² / 54.16 m²
Design & Construction
Hull Type Long Keel
Rigging Type Masthead Sloop
Construction Wood
Designer Walter F. Rayner
Builder Woodnutt & Co (UK)
First Built 1963
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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
12.3
Ballast/Displacement Ballast to Displacement ratio shows what percentage of the boat's total weight is ballast. Higher values generally mean better initial stability and stiffer sail carrying.
30–35% — Typical cruiser35–45% — Stiff performance boatOver 45% — Racing oriented
37.14
Displacement/Length Displacement to Length ratio measures how heavy a boat is relative to its waterline length. Lower values mean a lighter, faster boat.
Under 100 — Ultralight racer100–200 — Light cruiser/racer200–300 — Moderate cruiser300–400 — Heavy cruiserOver 400 — Very heavy
347.22
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
38.73
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
1.67
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. 7.34 kn
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. 1,232.72 pounds/inch
Engine & Accommodations
Engine Make Parsons
Engine Model Pike
Engine Type Diesel
Horsepower 56
Fuel Capacity 82 gals / 310 L
Water Capacity 82 gals / 310 L
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