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What is the Irwin 40's sail area to displacement ratio?
The Irwin 40 has a Sail Area to Displacement ratio (SA/D) of 18. Values between 14–18 are typical cruising sailboats; 18–22 is cruiser/racer; over 22 is performance racing.
What is the Irwin 40's comfort ratio?
The Irwin 40 has a Ted Brewer Comfort Ratio of 27.47. A ratio over 30 indicates good offshore comfort; over 40 is very comfortable offshore.
Is the Irwin 40 safe for offshore sailing?
The Irwin 40 has a Capsize Screening Formula value of 1.9. Values under 2.0 are considered acceptable for offshore sailing; under 1.8 is ideal.
What is the hull speed of the Irwin 40?
The theoretical hull speed of the Irwin 40 is 7.48 knots, calculated from its waterline length.
How much does a Irwin 40 weigh?
The Irwin 40 has a displacement of 16,890.00 lb and a length overall (LOA) of 40.83 ft.
Who designed the Irwin 40?
The Irwin 40 was designed by Ted Irwin, first built in 1978.