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Lagoon 42 Catamaran For Sale By Owner Location: St Maarten Asking: $595,000 (USD) Duty Paid
S/V Sonder is a 2019 Lagoon 42 catamaran, owners version (3 cabins), offered by her original owners, a husband and wife team, who outfitted Sonder for a live aboard sabbatical with extended, remote, blue water cruising in mind.No pets, no smokers, and never chartered, and with meticulous investments in professional maintenance and care, Sonder looks almost new in many respects. Sonder is the perfect vessel to cruise distant shores and relax in comfort at anchor. She has the combination of fun sailing and condo like living that makes adventuring abroad very comfortable for any couple. A VPLP design, Lagoon 42s perform very well compared to other similarly sized vessels. With her square top main and Code 0 equipped, in reasonable winds and seas, Sonder often maintains 8-10 knots of speed while sailing, even while loaded down with cruising gear. In a remote anchorage, Sonder’s oversized Rocna anchor, sun shades, large solar capacity and lithium battery bank, oversized and efficient generator with ample fuel capacity, all come into play to ensure comfort and safety for prolonged periods, in good or bad weather conditions. With the sail package, and the numerous amenities and equipment that are offered on Sonder, she is a rare, turn-key find, ready to sail remotely in the tropics worldwide, with both comfort and performance.
The theoretical maximum speed that a displacement hull can move efficiently through the water is determined by it's waterline length and displacement. It may be unable to reach this speed if the boat is underpowered or heavily loaded, though it may exceed this speed given enough power. Read more.
Classic hull speed formula:
Hull Speed = 1.34 x √LWL
A more accurate formula devised by Dave Gerr in The Propeller Handbook replaces the Speed/Length ratio constant of 1.34 with a calculation based on the Displacement/Length ratio.
Max Speed/Length ratio = 8.26 ÷ Displacement/Length ratio.311
Hull Speed = Max Speed/Length ratio x √LWL
A measure of the power of the sails relative to the weight of the boat. The higher the number, the higher the performance, but the harder the boat will be to handle. This ratio is a "non-dimensional" value that facilitates comparisons between boats of different types and sizes. Read more.
SA/D = SA ÷ (D ÷ 64)2/3
A measure of the stability of a boat's hull that suggests how well a monohull will stand up to its sails. The ballast displacement ratio indicates how much of the weight of a boat is placed for maximum stability against capsizing and is an indicator of stiffness and resistance to capsize.
Ballast / Displacement * 100
A measure of the weight of the boat relative to it's length at the waterline. The higher a boat’s D/L ratio, the more easily it will carry a load and the more comfortable its motion will be. The lower a boat's ratio is, the less power it takes to drive the boat to its nominal hull speed or beyond. Read more.
D/L = (D ÷ 2240) ÷ (0.01 x LWL)³
This ratio assess how quickly and abruptly a boat’s hull reacts to waves in a significant seaway, these being the elements of a boat’s motion most likely to cause seasickness. Read more.
Comfort ratio = D ÷ (.65 x (.7 LWL + .3 LOA) x Beam1.33)
This formula attempts to indicate whether a given boat might be too wide and light to readily right itself after being overturned in extreme conditions. Read more.
CSV = Beam ÷ ³√(D / 64)
Replaces LAGOON 420-421.
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