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S2 80 B Sd
Designer: Arthur Edmunds  ·  Builder: S2 Yachts  ·  First built: 1976
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About the S2 80 B Sd

Designed by Arthur Edmunds and launched in 1976, this 26-foot sailboat represents S2 Yachts' focus on creating affordable yet capable coastal cruisers for the growing recreational sailing market. The S2 80 B Sd features a modern fin keel and spade rudder configuration that provides responsive handling and good windward performance, making it well-suited for day sailing and weekend coastal cruising. With a displacement of 4,600 pounds and a beam of 8 feet, this masthead sloop offers a reasonable balance between stability and performance. The boat's moderate draft of 2.5 feet opens up shallow anchorages and simplifies trailering, while the 289 square feet of sail area provides adequate power in light to moderate conditions. Her fiberglass construction ensures durability and relatively low maintenance. The comfort ratio of 19.54 indicates this is primarily a coastal cruiser rather than an offshore passage-maker, though her capsize screening value of 1.93 suggests reasonable stability for protected waters. Hull speed calculations show she'll cruise comfortably at around 6 knots in favorable conditions. This S2 model appeals to sailors seeking an economical entry into cruising sailboats, offering decent accommodations and sailing characteristics for coastal exploration and club racing.

Core Dimensions
LOA (Length Overall) 26.00 ft / 7.92 m
LWL (Waterline Length) 21.42 ft / 6.53 m
Beam 8.00 ft / 2.44 m
Max Draft 2.50 ft / 0.76 m
Displacement 4,600.00 lb / 2,087 kg
Sail Area (Reported) 289.00 ft² / 26.85 m²
Design & Construction
Hull Type Fin w/spade rudder
Rigging Type Masthead Sloop
Construction FG
Designer Arthur Edmunds
Builder S2 Yachts
First Built 1976
Related Sailboats ["S2 80 B" · "Chrysler 26 Fk" · "Yankee 26" · "Capri 26 Catalina" · "Cc 26 Encounter"]
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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
 16.77
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
 208.95
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
 19.54
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
 1.93
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. 6.20 kn
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
 2.57
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. 612.29 pounds/inch
SA/Displacement (Calc) Calculated Sail Area to Displacement ratio using actual measured sail dimensions rather than reported values. More precise than the reported SA/Disp figure. 16.75
Rig Dimensions
I (Foretriangle Height) 29.80 ft / 9.08 m
J (Foretriangle Base) 11.50 ft / 3.51 m
P (Mainsail Luff) 26.10 ft / 7.96 m
E (Mainsail Foot) 9.00 ft / 2.74 m
SA Fore 171.35 ft² / 15.92 m²
SA Main 117.45 ft² / 10.91 m²
SA Total (100%) 288.80 ft² / 26.83 m²
Est. Forestay Length 31.94 ft / 9.74 m
How It Compares

vs. Capri 26 Catalina, Chrysler 26 Fk, Yankee 26

This boat Similar boats
Dimensions
LOA
S2 80 B Sd ★
26.0 ft
Capri 26 Catalina
26.0 ft
Chrysler 26 Fk
26.0 ft
Yankee 26
26.0 ft
LWL
S2 80 B Sd ★
21.4 ft
Capri 26 Catalina
22.5 ft
Chrysler 26 Fk
22.0 ft
Yankee 26
20.7 ft
Beam
S2 80 B Sd ★
8.0 ft
Capri 26 Catalina
9.1 ft
Chrysler 26 Fk
8.0 ft
Yankee 26
8.7 ft
Displacement
S2 80 B Sd ★
4 lbs
Capri 26 Catalina
4 lbs
Chrysler 26 Fk
5 lbs
Yankee 26
5 lbs
Ballast
S2 80 B Sd ★
—
Capri 26 Catalina
1 lbs
Chrysler 26 Fk
2 lbs
Yankee 26
2 lbs
Sail Area
S2 80 B Sd ★
289 sq ft
Capri 26 Catalina
268 sq ft
Chrysler 26 Fk
257 sq ft
Yankee 26
—
Performance
PHRF Rating (lower = faster)
S2 80 B Sd ★
—
Capri 26 Catalina
213 s/nm
Chrysler 26 Fk
—
Yankee 26
228 s/nm
SA / Displacement (higher = more powerful)
S2 80 B Sd ★
16.8
Capri 26 Catalina
16.0
Chrysler 26 Fk
13.2
Yankee 26
—
Ballast / Disp (higher = stiffer)
S2 80 B Sd ★
—
Capri 26 Catalina
37.5 %
Chrysler 26 Fk
43.6 %
Yankee 26
40.3 %
Comfort Ratio (higher = more comfortable offshore)
S2 80 B Sd ★
19.5
Capri 26 Catalina
15.2
Chrysler 26 Fk
23.0
Yankee 26
—
Capsize Screening (lower = safer)
S2 80 B Sd ★
1.93
Capri 26 Catalina
2.22
Chrysler 26 Fk
1.82
Yankee 26
—
Displacement / Length (lower = lighter)
S2 80 B Sd ★
208
Capri 26 Catalina
172
Chrysler 26 Fk
230
Yankee 26
269
Hull Speed
S2 80 B Sd ★
6.2 kts
Capri 26 Catalina
6.4 kts
Chrysler 26 Fk
6.3 kts
Yankee 26
—
Speed Number (higher = faster)
S2 80 B Sd ★
2.6
Capri 26 Catalina
—
Chrysler 26 Fk
1.6
Yankee 26
—
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