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Sailboat Specifications

J/133

Masthead Sloop · Fin W/Spade Rudder

Designed by Alan Johnstone · First built 2003

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LOA 44.17 ft  ·  Beam 13.75 ft  ·  Displacement 22,000 lb  ·  Sail Area 920 ft²  ·  Masthead Sloop  ·  Fin W/Spade Rudder
Dimensions & Specifications
LOA (Length Overall) 44.17 ft / 13.46 m
LWL (Waterline Length) 38.00 ft / 11.58 m
Beam 13.75 ft / 4.19 m
Max Draft 7.08 ft / 2.16 m
Displacement 22,000 lb / 9,979 kg
Ballast 9,200 lb / 4,173 kg
Sail Area (Reported) 920 ft² / 85.47 m²
Design & Construction
Hull Type Fin w/spade rudder
Rigging Type Masthead Sloop
Construction FG
Designer Alan Johnstone
First Built 2003
Last Built 2012
Number Built 100
Related Sailboats J/44 · X 442 · Swan 44 Mk Ii Frers · Farr 44 · Elan 45
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Frequently Asked Questions

What is the J/133's sail area to displacement ratio?

The J/133 has a Sail Area to Displacement ratio (SA/D) of 17.02. Values between 14–18 are typical cruising sailboats; 18–22 is cruiser/racer; over 22 is performance racing.

What is the J/133's comfort ratio?

The J/133 has a Ted Brewer Comfort Ratio of 34.02. A ratio over 30 indicates good offshore comfort; over 40 is very comfortable offshore.

Is the J/133 safe for offshore sailing?

The J/133 has a Capsize Screening Formula value of 1.56. Values under 2.0 are considered acceptable for offshore sailing; under 1.8 is ideal.

What is the hull speed of the J/133?

The theoretical hull speed of the J/133 is 10.32 knots, calculated from its waterline length.

How much does a J/133 weigh?

The J/133 has a displacement of 22,000 lb and a length overall (LOA) of 44.17 ft.

Who designed the J/133?

The J/133 was designed by Alan Johnstone, first built in 2003.