Practical Sailor · vidéo

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Perini Navi built both the 54-meter ketch Parsifal III and the 49-meter sloop Bayesian, yet the two superyachts differ significantly in rig design and stability characteristics.▶ 1:08 Parsifal III, launched in 2005, utilizes a two-mast ketch rig with carbon fiber spars to balance a 20,000-square-foot sail plan.▶ 2:16 In contrast, the 2008-built Bayesian featured a single, record-breaking aluminum mast, which increased windage and weight aloft.▶ 3:25 Both vessels incorporate Perini Navi’s signature automated hydraulic sail handling and lifting keels, allowing for a draft adjustment from 4 meters to over 9 meters.▶ 5:59 In August 2022, Bayesian sank after a severe weather event while at anchor with its keel raised and ports open, leading to a fatal loss of stability.▶ 4:27 Experts attribute the disparity in the vessels' fates to the design choices of the Bayesian, specifically the high center of gravity created by its singular, massive mast compared to the more conservative, multi-mast configuration of its sister ships.▶ 7:13

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