Built during Irwin Yachts' active production years, this substantial cruising sailboat represents the company's commitment to creating comfortable, seaworthy vessels for extended voyaging. The 104 model showcases the design philosophy that made Irwin a respected name among cruising sailors seeking reliable offshore capability without sacrificing livability. With her generous beam and thoughtful interior layout, this yacht prioritizes comfort for long-distance cruising and live-aboard situations. The design emphasizes practical sailing characteristics over pure performance, making her well-suited for coastal cruising and offshore passages where crew comfort and safety take precedence over speed. Irwin's reputation for building solid, dependable cruising boats is reflected in the 104's construction approach. The yacht typically features a spacious cockpit designed for easy handling and relaxed sailing, while the interior maximizes usable space for extended cruising. Her moderate sail plan and stable hull form contribute to manageable sailing characteristics that inspire confidence in various conditions. For sailors seeking a proven cruising platform capable of handling both weekend coastal adventures and longer offshore passages, this model offers the blend of comfort, seaworthiness, and reliability that defined Irwin's approach to cruising yacht design.
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What is the Irwin 104's sail area to displacement ratio?
The Irwin 104 has a Sail Area to Displacement ratio (SA/D) of 17.37. Values between 14–18 are typical cruising sailboats; 18–22 is cruiser/racer; over 22 is performance racing.
What is the Irwin 104's comfort ratio?
The Irwin 104 has a Ted Brewer Comfort Ratio of 21.09. A ratio over 30 indicates good offshore comfort; over 40 is very comfortable offshore.
Is the Irwin 104 safe for offshore sailing?
The Irwin 104 has a Capsize Screening Formula value of 2.16. Values under 2.0 are considered acceptable for offshore sailing; under 1.8 is ideal.
What is the hull speed of the Irwin 104?
The theoretical hull speed of the Irwin 104 is 6.26 knots, calculated from its waterline length.
How much does a Irwin 104 weigh?
The Irwin 104 has a displacement of 7,000.00 lb and a length overall (LOA) of 25.33 ft.
Who designed the Irwin 104?
The Irwin 104 was designed by Ted Irwin, first built in 1975.