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Tartan Tock 40
Designer: Sparkman & Stephens  ·  Builder: Tartan Marine (Usa)  ·  First built: 1976
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About the Tartan Tock 40

Among Tartan's notable yacht designs, the Tock 40 represents the builder's commitment to performance-oriented sailing vessels during their production era. This 40-footer emerged from Tartan's Ohio-based facilities with the company's characteristic attention to construction quality and sailing dynamics. Built for sailors seeking a balance between spirited performance and comfortable cruising capability, the Tock 40 demonstrates Tartan's understanding of the serious sailor's requirements. The design incorporates thoughtful hull lines that promote good sailing characteristics in varied conditions, making it suitable for both coastal exploration and extended offshore passages. Tartan's reputation for solid fiberglass construction and well-engineered systems carries through to the Tock 40, appealing to sailors who prioritize reliability and seaworthiness. The yacht's proportions suggest capability in moderate to fresh conditions, with deck layout and sail handling systems designed for efficient crew management. While detailed specifications remain limited in public records, the Tock 40's association with the respected Tartan name indicates a vessel built to the company's established standards of quality. For sailors researching performance cruisers from this era, the Tock 40 merits consideration as a potentially rewarding sailing platform.

Core Dimensions
LOA (Length Overall) 41.33 ft / 12.60 m
LWL (Waterline Length) 32.33 ft / 9.85 m
Beam 13.33 ft / 4.06 m
Max Draft 4.75 ft / 1.45 m
Displacement 24,300.00 lb / 11,022 kg
Ballast 9,000.00 lb / 4,082 kg
Ballast Type Lead
Design & Construction
Hull Type Fin with rudder on skeg
Rigging Type Masthead Ketch
Construction FG
Designer Sparkman & Stephens
Builder Tartan Marine (USA)
First Built 1976
Last Built 1977
Number Built 30
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Performance Ratios
PHRF Rating PHRF (Performance Handicap Racing Fleet) is a national racing handicap measured in seconds per nautical mile. Lower values indicate faster boats. Ratings are sourced from US Sailing's national database (median across 60+ regional fleets).
Under 0 — Ultralight racer0–90 — Performance racer90–150 — Cruiser/racer150–210 — Typical cruiserOver 210 — Heavy/slow cruiser
162
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
37.04
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
321.03
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. 9.23 pounds/inch
Rig Dimensions
I (Foretriangle Height) 15.09
J (Foretriangle Base) 14.75 ft / 4.50 m
P (Mainsail Luff) 788.00 ft² / 73.21 m²
E (Mainsail Foot) Ford Lehman
Engine & Accommodations
Horsepower 80
Fuel Capacity 128 gals / 485 L
Water Capacity 167 gals / 632 L
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