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The Castellina Sul Mare is a unicorn of high-quality cruising yachts. Exceedingly rare to the market. Swedish build, aft-cockpit and pilot saloon. A very highly specified example of the Gabriel Heyman designed Fantasi 44 from Jaccobssons in Sweden launched in 2003. The Fantasi 44 really is a very very special yacht and one which would simply not be financially viable to build today. Below decks, her comfortable and beautifully appointed teak-finished two cabin, two heads layout offers plentiful living space for a short-handed crew with a large upper saloon, lower dinette and fantastic lower galley. Fantasi 44 is a proper sailboat. The freeboard is lower than usual. The keel has a longish fin with the lead positioned very low, in a pronounced bulb. Therefore, in spite of the yacht being of moderate displacement, she has turned out just as stiff and powerful as you would expect from a blue water cruiser. The result is a modern yacht with a slender, easily-driven hull shape. Most are still in original ownership as there are few yachts out there that offer an improvement.
Equipment: Engine - Yanmar4JH3G-TE Gear Drive - KM4A 3.3 Auto Prop 5JUMNHG-RH3 Generator - MasterVolt 6KW Main - Furling Jib - Spinnaker Storm Jib Carries 500L fuel and 500L fresh water
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)
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