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Sailboat Specifications

J/80

Fractional Sloop · Fin W/Bulb & Spade Rudder

Designed by Alan Johnstone · First built 1995

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LOA 26.25 ft  ·  Beam 9.42 ft  ·  Displacement 3,750 lb  ·  Sail Area 338 ft²  ·  Fractional Sloop  ·  Fin W/Bulb & Spade Rudder
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Dimensions & Specifications
LOA (Length Overall) 26.25 ft / 8.00 m
LWL (Waterline Length) 22.83 ft / 6.96 m
Beam 9.42 ft / 2.87 m
Max Draft 5.08 ft / 1.55 m
Displacement 3,750 lb / 1,701 kg
Ballast 1,600 lb / 726 kg
Sail Area (Reported) 338 ft² / 31.40 m²
Design & Construction
Hull Type Fin w/bulb & spade rudder
Rigging Type Fractional Sloop
Construction FG
Designer Alan Johnstone
First Built 1995
Number Built 700
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Frequently Asked Questions

What is the J/80's sail area to displacement ratio?

The J/80 has a Sail Area to Displacement ratio (SA/D) of 24.76. Values between 14–18 are typical cruising sailboats; 18–22 is cruiser/racer; over 22 is performance racing.

What is the J/80's comfort ratio?

The J/80 has a Ted Brewer Comfort Ratio of 17.88. A ratio over 30 indicates good offshore comfort; over 40 is very comfortable offshore.

Is the J/80 safe for offshore sailing?

The J/80 has a Capsize Screening Formula value of 1.8. Values under 2.0 are considered acceptable for offshore sailing; under 1.8 is ideal.

What is the hull speed of the J/80?

The theoretical hull speed of the J/80 is 6.87 knots, calculated from its waterline length.

How much does a J/80 weigh?

The J/80 has a displacement of 3,750 lb and a length overall (LOA) of 26.25 ft.

Who designed the J/80?

The J/80 was designed by Alan Johnstone, first built in 1995.

Resources & Community
⚓ Class Association J/80 North American Class