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Sailboat Specifications

Cal 3 30

Masthead Sloop · Fin W/Spade Rudder

Designed by William Lapworth · Built by Jensen Marine (Usa) · First built 1973

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LOA 30.07 ft  ·  Beam 10.17 ft  ·  Displacement 10,500.00 lb  ·  Sail Area 474  ·  Masthead Sloop  ·  Fin W/Spade Rudder
About the Cal 3 30 Sailboat

With its roots in California's competitive sailing scene, this 30-foot sailboat emerged from Cal Yachts during an era when the builder was known for producing performance-oriented designs that didn't sacrifice comfort for speed. The Cal 3 30 represents the evolution of the yard's design philosophy, balancing the racing heritage that made Cal famous with the growing demand for versatile cruising capabilities. Built for sailors who appreciate responsive handling and solid construction, this boat excels in coastal cruising and club racing environments. The design incorporates the clean lines and efficient hull form that became signatures of Cal's approach to sailboat design. Her moderate displacement and well-proportioned sail plan deliver spirited performance in a variety of conditions while maintaining predictable handling characteristics. The boat's layout prioritizes both sailing efficiency and onboard comfort, making it equally suitable for weekend coastal adventures and longer passages. Like many Cal designs from this period, the 3 30 has developed a loyal following among sailors who value boats that perform well under sail while offering practical accommodations. This reputation for durability and sailing ability has helped maintain strong resale values in the used boat market.

Dimensions & Specifications
LOA (Length Overall) 30.07 ft / 9.17 m
LWL (Waterline Length) 26.31 ft / 8.02 m
Beam 10.17 ft / 3.10 m
Max Draft 5.50 ft / 1.68 m
Displacement 10,500.00 lb / 4,763 kg
Ballast 5,000.00 lb / 2,268 kg
Sail Area (Reported) 474
Design & Construction
Hull Type Fin w/spade rudder
Rigging Type Masthead Sloop
Construction FG
Designer William Lapworth
Builder Jensen Marine (USA)
First Built 1973
Last Built 1974
Number Built 135
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Engine & Accommodations
Fuel Capacity 20 gals / 76 L
Water Capacity 20 gals / 76 L
Frequently Asked Questions

What is the Cal 3 30's sail area to displacement ratio?

The Cal 3 30 has a Sail Area to Displacement ratio (SA/D) of 15.87. Values between 14–18 are typical cruising sailboats; 18–22 is cruiser/racer; over 22 is performance racing.

What is the Cal 3 30's comfort ratio?

The Cal 3 30 has a Ted Brewer Comfort Ratio of 26.93. A ratio over 30 indicates good offshore comfort; over 40 is very comfortable offshore.

Is the Cal 3 30 safe for offshore sailing?

The Cal 3 30 has a Capsize Screening Formula value of 1.86. Values under 2.0 are considered acceptable for offshore sailing; under 1.8 is ideal.

What is the hull speed of the Cal 3 30?

The theoretical hull speed of the Cal 3 30 is 6.87 knots, calculated from its waterline length.

How much does a Cal 3 30 weigh?

The Cal 3 30 has a displacement of 10,500.00 lb and a length overall (LOA) of 30.07 ft.

Who designed the Cal 3 30?

The Cal 3 30 was designed by William Lapworth, first built in 1973.