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Sailboat Specifications

J/145

Masthead Sloop · Fin W/Spade Rudder

Designed by Rod Johnstone · First built 1996

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LOA 47.92 ft  ·  Beam 14.17 ft  ·  Displacement 26,000 lb  ·  Sail Area 1020 ft²  ·  Masthead Sloop  ·  Fin W/Spade Rudder
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Dimensions & Specifications
LOA (Length Overall) 47.92 ft / 14.60 m
LWL (Waterline Length) 41.00 ft / 12.50 m
Beam 14.17 ft / 4.32 m
Max Draft 7.50 ft / 2.29 m
Displacement 26,000 lb / 11,793 kg
Ballast 11,000 lb / 4,990 kg
Sail Area (Reported) 1020 ft² / 94.76 m²
Design & Construction
Hull Type Fin w/spade rudder
Rigging Type Masthead Sloop
Construction FG
Designer Rod Johnstone
First Built 1996
Last Built 2006
Number Built 55
Related Sailboats X 482 · Baltic 48 Dp · Baltic 47 · Swan 48 Ss · Cr 470
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Frequently Asked Questions

What is the J/145's sail area to displacement ratio?

The J/145 has a Sail Area to Displacement ratio (SA/D) of 16.48. Values between 14–18 are typical cruising sailboats; 18–22 is cruiser/racer; over 22 is performance racing.

What is the J/145's comfort ratio?

The J/145 has a Ted Brewer Comfort Ratio of 35.9. A ratio over 30 indicates good offshore comfort; over 40 is very comfortable offshore.

Is the J/145 safe for offshore sailing?

The J/145 has a Capsize Screening Formula value of 1.54. Values under 2.0 are considered acceptable for offshore sailing; under 1.8 is ideal.

What is the hull speed of the J/145?

The theoretical hull speed of the J/145 is 10.97 knots, calculated from its waterline length.

How much does a J/145 weigh?

The J/145 has a displacement of 26,000 lb and a length overall (LOA) of 47.92 ft.

Who designed the J/145?

The J/145 was designed by Rod Johnstone, first built in 1996.