Built during the 1970s as part of Irwin Yachts' popular cruising line, this 27-footer represents the era's emphasis on comfortable coastal sailing and weekend adventures. Irwin established a solid reputation for producing affordable, well-built fiberglass sailboats that offered good value for recreational sailors seeking reliable performance without breaking the bank. The design reflects typical characteristics of Irwin's philosophy: a practical layout that maximizes interior space while maintaining decent sailing qualities. Like other boats in the Irwin fleet, this model likely features a moderate beam that provides stability and room below decks, making it well-suited for coastal cruising and overnight trips with family or friends. While not built for serious offshore passages or competitive racing, the Irwin 27 serves admirably as a weekend cruiser and day sailor. The boat's construction quality and straightforward systems make it an appealing choice for newer sailors or those seeking an economical entry into cruising. Its size strikes a good balance between manageability for smaller crews and enough space for short-term live-aboard adventures along protected coastlines and inland waters.
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What is the Irwin 27's sail area to displacement ratio?
The Irwin 27 has a Sail Area to Displacement ratio (SA/D) of 16.24. Values between 14–18 are typical cruising sailboats; 18–22 is cruiser/racer; over 22 is performance racing.
What is the Irwin 27's comfort ratio?
The Irwin 27 has a Ted Brewer Comfort Ratio of 25.55. A ratio over 30 indicates good offshore comfort; over 40 is very comfortable offshore.
Is the Irwin 27 safe for offshore sailing?
The Irwin 27 has a Capsize Screening Formula value of 1.85. Values under 2.0 are considered acceptable for offshore sailing; under 1.8 is ideal.
What is the hull speed of the Irwin 27?
The theoretical hull speed of the Irwin 27 is 6.07 knots, calculated from its waterline length.
How much does a Irwin 27 weigh?
The Irwin 27 has a displacement of 6,600.00 lb and a length overall (LOA) of 27.08 ft.
Who designed the Irwin 27?
The Irwin 27 was designed by Ted Irwin, first built in 1967.