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S/V Ibiza Moonlight is a 1987 Catalac 10M catamaran built by Tom Lack at the Quay, Christchurch, Dorset, England. Catalac’s are noted as tough strong boats designed to ride out the roughest waters of the North Sea with both safety and comfort. Catalac 10Ms are one of the best couple or small family live-aboard cruisers ever designed. While in a pinch they can sleep 8, they really are good at providing a couple or a couple with 2 children a safe and comfortable home on the water for extended periods and do so with low maintenance and operating costs.
However, the Catalac 10M was designed with cruising in mind as it features two large forward cabins, one head and this has a custom chef’s galley as it was originally designed for a couple that owned a restaurant. The Catalac 10M is a solidly built boat and this one is powered by twin Volvo Penta diesel sail drives. These boats have a very popular layout, and sailing this boat long distances single handed, won’t be an ordeal. The Catalac 10M lets you control the boat from what basically feels like your living room. The hydraulic steering system makes steering effortless. The accommodations aboard a Catalac 10M rival a 45’ monohull, and in many ways surpass it.
The salon is in the central portion of bridge deck and provides a 360 degree view of your surroundings and is nearly twice the size of a Gemini Catamaran while featuring 6 foot 2 inch headroom in most of it. The Salon table seats 6-8 people. A person who is 5 foot 10 inches tall can walk up and down the stairs from the salon standing straight up without bumping his head or hat. The salon side windows open about half way.
We are interested to sell s/v Ibiza Moonlight quickly, it requires some work if you want to make the boat perfect, however she is ready to sail any time. I will be able to show the boat in Cortez, FL (just south of the Tampa area) from January 19-24, after that upon request, possibly we will arrange somebody from marina to show. Specifications Designer: Tom Lack Builder: Catalac Cruising Catamarans Ltd. Flag: USA Year Built: 1987 Construction: Solid fiberglass hulls, cored cabin and deck Design Intent: Circumnavigation (Many ocean crossings) Length Overall: 33’8” ft / 10.3 meters LWL: 27’ / 8.23 m Beam: 15 ft 3 in / 4.65 m Headroom 6’5” (hulls) 6’ 1” bridge deck Draft: 2 ft 9 in / 0.84 m Displacement: 11000 lbs (4990 kg) Mast height: above water: 48 ft 6 in /14.8m (top of lightening rod) Sail Area: Main sail: Inmast furling system Furling Genny with whisker pole Cruising Spinaker Aux Power : 2 x 30hp Volvo Penta Diesel Engines with saildrives New seals and Diaphragms in sail drives (2013) Steering: Hydraulic steering Fresh Water Tankage 2 x 75 gal / 285L Stainless Steel Tanks with cross over pump Fuel Tankage 2 x 50 gal /190L Stainless Steel Tanks with cross over pump Batteries 4 x 115 amp hour House Battery Bank (sealed lead acid new 2016) 2 x starting batteries (one for each engine) Accommodations: Galley with pantry located in starboard hull 1-high/low twin/single cabin forward starboard hull 1-double cabin forward port hull 1-head located in rear port hull
Boat Inventory
Accommodations:
Cabins:
Chef’s Galley:
Electronics:
Electric:
Deck:
Miscellaneous:
Ground Tackle:
Head:
Rigging:
Dinghy:
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)
Also called CATALAC 34.
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