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Sailboat Specifications

J33

Masthead Sloop · Fin W/Spade Rudder

Designed by Rodney S. Johnstone · Built by J Boats Tillotson Pearson · First built 1988

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LOA 33.50 ft  ·  Beam 11.00 ft  ·  Displacement 8,100.00 lb  ·  Sail Area 561.00 ft²  ·  Masthead Sloop  ·  Fin W/Spade Rudder
About the J33 Sailboat

Limited information surrounds this lesser-known sailboat model, making the J33 something of an enigma in the sailing world. What can be pieced together suggests a boat that likely fits within the performance-oriented segment of the market, given the "J" designation that often appears in racing-focused designs. Without comprehensive specifications readily available, potential buyers should approach the J33 with careful consideration and thorough independent research. The scarcity of detailed information could indicate either a limited production run or a regional design that didn't achieve widespread distribution. This reality makes finding parts, documentation, or experienced service providers potentially challenging. For sailors considering a J33, conducting a comprehensive marine survey becomes even more critical than usual. The boat's actual sailing characteristics, build quality, and intended use profile would need to be assessed through hands-on evaluation rather than relying on published specifications or widespread owner experiences. While some boats thrive despite limited documentation, the J33's sparse available information suggests it may appeal primarily to sailors comfortable with less conventional choices or those who discover a particular example in exceptional condition at an attractive price point.

Dimensions & Specifications
LOA (Length Overall) 33.50 ft / 10.21 m
LWL (Waterline Length) 28.00 ft / 8.53 m
Beam 11.00 ft / 3.35 m
Max Draft 6.17 ft / 1.88 m
Displacement 8,100.00 lb / 3,674 kg
Ballast 3,180.00 lb / 1,442 kg
Sail Area (Reported) 561.00 ft² / 52.12 m²
Design & Construction
Hull Type Fin w/spade rudder
Rigging Type Masthead Sloop
Construction FG
Designer Rodney S. Johnstone
Builder J Boats Tillotson Pearson
First Built 1988
Last Built 1991
Related Sailboats X 342 · Cs 34 · Mirage 33 · Ericson 33 · Hunter 336
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Frequently Asked Questions

What is the J33's sail area to displacement ratio?

The J33 has a Sail Area to Displacement ratio (SA/D) of 22.33. Values between 14–18 are typical cruising sailboats; 18–22 is cruiser/racer; over 22 is performance racing.

What is the J33's comfort ratio?

The J33 has a Ted Brewer Comfort Ratio of 17.32. A ratio over 30 indicates good offshore comfort; over 40 is very comfortable offshore.

Is the J33 safe for offshore sailing?

The J33 has a Capsize Screening Formula value of 2.19. Values under 2.0 are considered acceptable for offshore sailing; under 1.8 is ideal.

What is the hull speed of the J33?

The theoretical hull speed of the J33 is 7.09 knots, calculated from its waterline length.

How much does a J33 weigh?

The J33 has a displacement of 8,100.00 lb and a length overall (LOA) of 33.50 ft.

Who designed the J33?

The J33 was designed by Rodney S. Johnstone, first built in 1988.