Compact and purposeful, this sailboat emerged from Irwin's efforts to create an affordable entry into the Mini Ton racing class that flourished in the 1970s and early 1980s. Built during an era when one-design racing was gaining momentum among smaller keelboats, the Mini Ton represented Irwin's interpretation of the International Offshore Rule's smallest racing category. The design reflects typical Mini Ton characteristics of the period: a relatively beamy hull with moderate displacement that prioritizes speed and responsive handling over long-distance comfort. Like other boats in this class, it was conceived primarily for competitive sailing and spirited day sailing rather than extended cruising or offshore passages. Irwin's construction approach brought these racing-oriented boats within reach of club racers and weekend sailors who wanted performance without the expense of custom builds. The Mini Ton works best in coastal waters where its nimble handling and racing pedigree can shine. While accommodations are basic by cruising standards, the boat offers enough creature comforts for occasional overnight trips or weekend adventures. Today, these boats appeal to sailors seeking an affordable path into performance sailing or those drawn to the historic Mini Ton class's competitive heritage.
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What is the Irwin Mini Ton's sail area to displacement ratio?
The Irwin Mini Ton has a Sail Area to Displacement ratio (SA/D) of 21.53. Values between 14–18 are typical cruising sailboats; 18–22 is cruiser/racer; over 22 is performance racing.
What is the Irwin Mini Ton's comfort ratio?
The Irwin Mini Ton has a Ted Brewer Comfort Ratio of 10.34. A ratio over 30 indicates good offshore comfort; over 40 is very comfortable offshore.
Is the Irwin Mini Ton safe for offshore sailing?
The Irwin Mini Ton has a Capsize Screening Formula value of 2.59. Values under 2.0 are considered acceptable for offshore sailing; under 1.8 is ideal.
What is the hull speed of the Irwin Mini Ton?
The theoretical hull speed of the Irwin Mini Ton is 5.44 knots, calculated from its waterline length.
How much does a Irwin Mini Ton weigh?
The Irwin Mini Ton has a displacement of 1,900.00 lb and a length overall (LOA) of 20.81 ft.
Who designed the Irwin Mini Ton?
The Irwin Mini Ton was designed by Irwin/Rogers, first built in 1978.