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Saga 40
Designer: Alan Pape  ·  Builder: K.r.skentelbery & Sons Ltd.(Uk)  ·  First built: 1977
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About the Saga 40

Designed by Alan Pape and built by K.R. Skentelbery & Sons in the UK starting in 1977, this traditional cutter represents classic British yacht design philosophy with its emphasis on seaworthiness and comfort. With only 35 hulls produced, the Saga 40 remains a relatively rare find among the ranks of 40-foot cruising sailboats. The boat's traditional long keel configuration with transom-hung rudder delivers excellent directional stability and tracking, making it particularly well-suited for offshore passage-making and extended coastal cruising. The generous beam of just over 12 feet provides good interior volume while maintaining manageable handling characteristics. At 30,464 pounds displacement with substantial ballast, this is a solid, substantial yacht built for safety and comfort over outright speed. The cutter rig configuration offers excellent versatility for varying wind conditions, allowing crews to balance the sail plan effectively whether coastal cruising or making longer passages. With its impressive comfort ratio of 49.56, the Saga 40 prioritizes motion comfort over racing performance, making it an excellent choice for couples or small crews planning extended voyages. The moderate sail area ensures manageable sail handling while the traditional hull design provides the kind of sea-kindly motion that makes long passages bearable.

Core Dimensions
LOA (Length Overall) 40.00 ft / 12.19 m
LWL (Waterline Length) 32.00 ft / 9.75 m
Beam 12.08 ft / 3.68 m
Max Draft 6.50 ft / 1.98 m
Displacement 30,464.00 lb / 13,818 kg
Ballast 11,220.00 lb / 5,089 kg
Sail Area (Reported) 695.00 ft² / 64.57 m²
Headroom 6.17 ft / 1.88 m
Design & Construction
Hull Type Long keel w/trans. hung rudder
Rigging Type Cutter
Construction GRP
Designer Alan Pape
Builder K.R.Skentelbery & Sons Ltd.(UK)
First Built 1977
Number Built 35
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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
11.45
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
36.83
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
415.04
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
49.56
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
1.55
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. 7.58 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. 1,381.22 pounds/inch
Engine & Accommodations
Engine Make Perkins
Engine Type Diesel
Horsepower 48
Fuel Capacity 100 gals / 379 L
Water Capacity 150 gals / 568 L
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