Designed by Rod Johnstone and first launched in 1984, the J/27 is a nimble one-design racer that earned a dedicated following throughout its production run. With 189 hulls built before production ended in 1992, it established a respectable class presence and continues to attract competitive sailors looking for affordable, spirited racing. Built from fiberglass with a fin keel and spade rudder, the J/27 reflects the performance-oriented design philosophy that defined the J/Boats lineup. Its relatively wide beam of nearly 10 feet contributes to initial stability and helps power the generous sail area upwind, while the fractional sloop rig offers responsive, manageable sail trim. The boat carries a healthy sail area-to-displacement ratio, signaling a lively performer in moderate breeze that rewards skilled crew work. With a comfort ratio under 20, the J/27 is best understood as a racing-focused daysailer or short-distance coastal racer rather than a long-haul cruiser. The capsize screening figure suggests reasonable stability for its intended environment. For buyers seeking a competitive one-design platform with strong class heritage and accessible sailing characteristics, the J/27 remains a compelling option in the used market.
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What is the J/27's sail area to displacement ratio?
The J/27 has a Sail Area to Displacement ratio (SA/D) of 21.95. Values between 14–18 are typical cruising sailboats; 18–22 is cruiser/racer; over 22 is performance racing.
What is the J/27's comfort ratio?
The J/27 has a Ted Brewer Comfort Ratio of 19.6. A ratio over 30 indicates good offshore comfort; over 40 is very comfortable offshore.
Is the J/27 safe for offshore sailing?
The J/27 has a Capsize Screening Formula value of 1.79. Values under 2.0 are considered acceptable for offshore sailing; under 1.8 is ideal.
What is the hull speed of the J/27?
The theoretical hull speed of the J/27 is 7.00 knots, calculated from its waterline length.
How much does a J/27 weigh?
The J/27 has a displacement of 4,500 lb and a length overall (LOA) of 27.00 ft.
Who designed the J/27?
The J/27 was designed by Rod Johnstone, first built in 1984.