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Sailboat Specifications

Jollyboat

Fractional Sloop · Centerboard Dinghy

Designed by Uffa Fox · Built by Fairey Marine (Uk) Columbia Yachts · First built 1950

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LOA 18.00 ft  ·  Beam 5.00 ft  ·  Displacement 300.00 lb  ·  Sail Area 160.00 ft²  ·  Fractional Sloop  ·  Centerboard Dinghy
About the Jollyboat Sailboat

With limited specifications available in current databases, the Jollyboat represents one of the more elusive entries in sailing vessel documentation. This scarcity of detailed information often indicates either a custom or limited-production design, or potentially a boat from an era when comprehensive specifications weren't systematically recorded. Based on the traditional maritime terminology, jollyboats historically served as versatile small craft, typically functioning as ship's boats or coastal workhorses. Modern sailboats bearing this name likely draw inspiration from this heritage of practicality and seaworthiness. Such vessels often emphasize functionality over pure performance, making them potentially well-suited for coastal cruising, day sailing, or as tender craft for larger vessels. Without detailed specifications, prospective buyers should focus their research on direct inspection and sea trials to evaluate build quality, sailing characteristics, and overall condition. The limited available data suggests this may be a niche design that appeals to sailors seeking something distinctive from mainstream production boats. Given the maritime heritage associated with the jollyboat designation, these vessels may offer traditional sailing qualities that emphasize reliability and practical seamanship over cutting-edge performance metrics.

Dimensions & Specifications
LOA (Length Overall) 18.00 ft / 5.49 m
LWL (Waterline Length) 17.50 ft / 5.33 m
Beam 5.00 ft / 1.52 m
Max Draft 4.75 ft / 1.45 m
Min Draft 0.67 ft / 0.20 m
Displacement 300.00 lb / 136 kg
Sail Area (Reported) 160.00 ft² / 14.86 m²
Design & Construction
Hull Type Centerboard Dinghy
Rigging Type Fractional Sloop
Construction Wood or FG
Designer Uffa Fox
Builder Fairey Marine (UK) Columbia Yachts
First Built 1950
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Frequently Asked Questions

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

The Jollyboat has a Sail Area to Displacement ratio (SA/D) of 57.18. Values between 14–18 are typical cruising sailboats; 18–22 is cruiser/racer; over 22 is performance racing.

What is the Jollyboat's comfort ratio?

The Jollyboat has a Ted Brewer Comfort Ratio of 3.07. A ratio over 30 indicates good offshore comfort; over 40 is very comfortable offshore.

Is the Jollyboat safe for offshore sailing?

The Jollyboat has a Capsize Screening Formula value of 2.99. Values under 2.0 are considered acceptable for offshore sailing; under 1.8 is ideal.

What is the hull speed of the Jollyboat?

The theoretical hull speed of the Jollyboat is 5.61 knots, calculated from its waterline length.

How much does a Jollyboat weigh?

The Jollyboat has a displacement of 300.00 lb and a length overall (LOA) of 18.00 ft.

Who designed the Jollyboat?

The Jollyboat was designed by Uffa Fox, first built in 1950.