Mills Design created this impressive 40-footer for Summit Yachts as a performance-oriented cruiser that bridges the gap between racing and comfortable passage-making. Built from 2001 onward, the King 40 showcases a modern fin keel with bulb and spade rudder configuration that delivers excellent upwind performance while maintaining good directional stability. The fractional sloop rig generates substantial sail area relative to displacement, giving this boat spirited performance in light to moderate conditions. With a respectable sail area-to-displacement ratio of 22.15 and hull speed of 7.90 knots, the King 40 rewards skilled sailors with impressive boat speeds. The relatively low comfort ratio of 24 indicates this design prioritizes performance over interior volume, making it ideal for sailors who value sailing ability over maximum living space. The boat's moderate displacement of 15,653 pounds combined with nearly 50% ballast ratio provides excellent stability and sea-keeping abilities. This makes the King 40 well-suited for coastal cruising and weekend racing, though its robust construction and seaworthy design characteristics also make it capable of offshore passages. The capsize screening formula of 1.94 falls within acceptable ranges for ocean sailing, reflecting the designer's attention to creating a truly versatile sailing platform.

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vs. Contest 40S, Hanse 400 2008 2014, J/39, X 402, X4