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Sailboat Specifications

Dart 18

Frac. Sloop (Rotating Spar) · Catamaran (No Boards/Asym.)

Designed by Rodney March · Built by Panthercraft Ltd. (Uk) · First built 1975

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LOA 18.00 ft  ·  Beam 7.50 ft  ·  Displacement 285.00 lb  ·  Sail Area 175.00 ft²  ·  Frac. Sloop (Rotating Spar)  ·  Catamaran (No Boards/Asym.)
About the Dart 18 Sailboat

Designed by Rodney March and first launched in 1975, the Dart 18 became one of the most successful small catamarans ever produced, with over 4,200 hulls built by Panthercraft Ltd. in the UK. This lightweight fiberglass catamaran established itself as an ideal entry point into high-performance sailing, offering exhilarating speed and responsive handling that made it a favorite among sailing schools and recreational sailors worldwide. At 18 feet overall with a 7.50-foot beam, the Dart 18 delivers impressive stability and carrying capacity for its size. The shallow 0.33-foot draft allows beach launching and sailing in skinny waters, while the 285-pound displacement keeps the boat light enough for easy handling ashore. Its fractional sloop rig with rotating mast maximizes efficiency from the 175 square feet of sail area, producing a remarkable sail area to displacement ratio of 64.72. The Dart 18 excels in coastal and bay sailing, particularly for those seeking an introduction to catamaran sailing without the complexity of daggerboards. Its forgiving nature and predictable handling characteristics make it suitable for sailing instruction, while still providing enough performance to satisfy experienced sailors. The boat's reputation for durability and straightforward maintenance has made it a enduring choice in the small catamaran market.

Dimensions & Specifications
LOA (Length Overall) 18.00 ft / 5.49 m
LWL (Waterline Length) 17.00 ft / 5.18 m
Beam 7.50 ft / 2.29 m
Max Draft 0.33 ft / 0.10 m
Displacement 285.00 lb / 129 kg
Sail Area (Reported) 175.00 ft² / 16.26 m²
Design & Construction
Hull Type Catamaran (no boards/asym.)
Rigging Type Frac. Sloop (Rotating Spar)
Construction FG
Designer Rodney March
Builder Panthercraft Ltd. (UK)
First Built 1975
Number Built 4200
Associations Dart 18 Catamaran
Owner Reviews

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Engine & Accommodations
KSP 1.62
Frequently Asked Questions

What is the Dart 18's sail area to displacement ratio?

The Dart 18 has a Sail Area to Displacement ratio (SA/D) of 64.72. Values between 14–18 are typical cruising sailboats; 18–22 is cruiser/racer; over 22 is performance racing.

What is the Dart 18's comfort ratio?

The Dart 18 has a Ted Brewer Comfort Ratio of 1.73. A ratio over 30 indicates good offshore comfort; over 40 is very comfortable offshore.

Is the Dart 18 safe for offshore sailing?

The Dart 18 has a Capsize Screening Formula value of 4.56. Values under 2.0 are considered acceptable for offshore sailing; under 1.8 is ideal.

What is the hull speed of the Dart 18?

The theoretical hull speed of the Dart 18 is 5.52 kn knots, calculated from its waterline length.

How much does a Dart 18 weigh?

The Dart 18 has a displacement of 285.00 lb and a length overall (LOA) of 18.00 ft.

Who designed the Dart 18?

The Dart 18 was designed by Rodney March, first built in 1975.