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Sailboat Specifications

Bunyip 20

Masthead Sloop · Trimaran Dbrd.

Designed by Lock Crowther · Built by Plans For Home Builder · First built 1962

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LOA 20.00 ft  ·  Beam 11.00 ft  ·  Displacement 700.00 lb  ·  Sail Area 227  ·  Masthead Sloop  ·  Trimaran Dbrd.
About the Bunyip 20 Sailboat

Named after the legendary Australian water creature, this compact sailboat represents an intriguing entry in the small boat market, though detailed information about its specifications and design history remains elusive. The Bunyip 20 appears to be positioned as a versatile coastal cruiser, suitable for weekend adventures and day sailing in protected waters. With limited technical data available, prospective buyers should approach this model with careful research and thorough inspection. The boat's 20-foot length suggests it's designed for intimate sailing experiences, likely accommodating a small crew or couple seeking an affordable entry into sailing. Given its size constraints, the Bunyip 20 would be best suited for coastal exploration rather than extended offshore passages. The scarcity of readily available specifications may indicate either limited production numbers or a regional design that hasn't gained widespread international recognition. Potential owners should focus on evaluating the boat's construction quality, hull condition, and sailing characteristics through hands-on inspection and sea trials. For those considering this model, connecting with existing owners or local sailing communities familiar with the design would provide valuable insights into its real-world performance and reliability.

Dimensions & Specifications
LOA (Length Overall) 20.00 ft / 6.10 m
LWL (Waterline Length) 18.60 ft / 5.67 m
Beam 11.00 ft / 3.35 m
Max Draft 3.00 ft / 0.91 m
Min Draft 0.8
Displacement 700.00 lb / 318 kg
Sail Area (Reported) 227
Design & Construction
Hull Type Trimaran Dbrd.
Rigging Type Masthead Sloop
Construction Plywood
Designer Lock Crowther
Builder Plans for home builder
First Built 1962
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Frequently Asked Questions

What is the Bunyip 20's sail area to displacement ratio?

The Bunyip 20 has a Sail Area to Displacement ratio (SA/D) of 46.14. Values between 14–18 are typical cruising sailboats; 18–22 is cruiser/racer; over 22 is performance racing.

What is the Bunyip 20's comfort ratio?

The Bunyip 20 has a Ted Brewer Comfort Ratio of 2.32. A ratio over 30 indicates good offshore comfort; over 40 is very comfortable offshore.

Is the Bunyip 20 safe for offshore sailing?

The Bunyip 20 has a Capsize Screening Formula value of 4.96. Values under 2.0 are considered acceptable for offshore sailing; under 1.8 is ideal.

What is the hull speed of the Bunyip 20?

The theoretical hull speed of the Bunyip 20 is 5.78 kn knots, calculated from its waterline length.

How much does a Bunyip 20 weigh?

The Bunyip 20 has a displacement of 700.00 lb and a length overall (LOA) of 20.00 ft.

Who designed the Bunyip 20?

The Bunyip 20 was designed by Lock Crowther, first built in 1962.