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Schock 35 Wk
Designer: Shad Turner  ·  Builder: W. D. Schock Corp.(Usa)  ·  First built: 1984
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About the Schock 35 Wk

Designed by Shad Turner and built by W. D. Schock Corporation beginning in 1984, this 35-foot masthead sloop represents a thoughtful balance between performance and comfort for coastal cruising and club racing. The wing keel configuration offers reduced draft while maintaining stability, making it well-suited for shallow harbors and protected waters where traditional deep-draft vessels might struggle. With a displacement of 9,500 pounds and 4,000 pounds of ballast, the boat strikes a moderate balance between the light-displacement racing boats and heavy cruising vessels of its era. The fiberglass construction and relatively modest beam of 11.75 feet contribute to predictable handling characteristics, while the generous sail area of 639 square feet provides respectable performance in light to moderate conditions. The comfort ratio of 17.71 suggests this boat leans toward the sportier end of the cruising spectrum, likely appealing to sailors who prioritize sailing performance alongside comfortable accommodations. The capsize screening formula of 2.22 indicates good stability for coastal sailing, though it's best suited for protected waters rather than extended offshore passages. Hull speed calculations suggest capable performance for weekend cruising and local racing, making it an attractive option for sailors seeking versatility in familiar waters.

Core Dimensions
LOA (Length Overall) 35.00 ft / 10.67 m
LWL (Waterline Length) 29.50 ft / 8.99 m
Beam 11.75 ft / 3.58 m
Max Draft 5.33 ft / 1.62 m
Displacement 9,500.00 lb / 4,309 kg
Ballast 4,000.00 lb / 1,814 kg
Sail Area (Reported) 639.00 ft² / 59.37 m²
Design & Construction
Hull Type Wing Keel
Rigging Type Masthead Sloop
Construction FG
Designer Shad Turner
Builder W. D. Schock Corp.(USA)
First Built 1984
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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
 22.87
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
 42.11
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
 165.2
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
 17.71
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
 2.22
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. 7.28 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
 3.89
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. 1,238.53 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. 22.88
Rig Dimensions
I (Foretriangle Height) 49.00 ft / 14.94 m
J (Foretriangle Base) 13.75 ft / 4.19 m
P (Mainsail Luff) 44.00 ft / 13.41 m
E (Mainsail Foot) 13.75 ft / 4.19 m
SA Fore 336.88 ft² / 31.30 m²
SA Main 302.50 ft² / 28.10 m²
SA Total (100%) 639.38 ft² / 59.40 m²
Est. Forestay Length 50.89 ft / 15.51 m
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