Originally built by Blue Jacket Marine in the 1970s, this 40-foot sailboat represents a classic approach to mid-sized cruising yacht design from that era. Blue Jacket Marine, known for their traditional aesthetics and solid construction methods, created boats that prioritized seaworthiness and comfort over pure performance. While detailed specifications remain scarce, the Blue Jacket 40 embodies the design philosophy prevalent during the 1970s cruising boom, when builders focused on creating capable offshore vessels for the growing ranks of blue-water sailors. The boat likely features a moderate displacement hull with adequate beam for interior volume, making it suitable for extended coastal cruising and potentially light offshore passages. Blue Jacket's reputation centered on building well-found vessels with traditional lines and reliable construction techniques. Owners of Blue Jacket boats often praise their solid feel and seakindly motion in various sea conditions. The 40-footer would have been positioned as a serious cruising boat, appealing to sailors seeking a vessel capable of comfortable weekend trips and longer coastal adventures. Given the limited production numbers typical of smaller builders from this period, finding detailed information or parts may require connecting with other Blue Jacket owners or specialized classic boat resources.
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What is the Blue Jacket 40's sail area to displacement ratio?
The Blue Jacket 40 has a Sail Area to Displacement ratio (SA/D) of 21.88. Values between 14–18 are typical cruising sailboats; 18–22 is cruiser/racer; over 22 is performance racing.
What is the Blue Jacket 40's comfort ratio?
The Blue Jacket 40 has a Ted Brewer Comfort Ratio of 24.65. A ratio over 30 indicates good offshore comfort; over 40 is very comfortable offshore.
Is the Blue Jacket 40 safe for offshore sailing?
The Blue Jacket 40 has a Capsize Screening Formula value of 1.94. Values under 2.0 are considered acceptable for offshore sailing; under 1.8 is ideal.
What is the hull speed of the Blue Jacket 40?
The theoretical hull speed of the Blue Jacket 40 is 7.93 knots, calculated from its waterline length.
How much does a Blue Jacket 40 weigh?
The Blue Jacket 40 has a displacement of 16,500.00 lb and a length overall (LOA) of 39.83 ft.
Who designed the Blue Jacket 40?
The Blue Jacket 40 was designed by Tim Jackett W/Bob Johnson, first built in 2012.