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“Comfortably Numb”
2004 Catalina 350
The space on this Catalina 350 was designed for comfort, safety, and ease of sailing.
The layout of the salon, aft and forward cabin is perfect for a family of four, a tele- commuting couple that desires are to explore and work or a retire couple that will receive occasional visits of family and grandchildren.
Comfortably Numb has a winged keel with a draft of 46
Low Engine hours 262 Electric Winch 2020 - 4D AGM Batteries 2020 Noco battery charge
Equipment: Electronics Autopilot Cockpit speakers Depthsounder VHF Plotter GPS TV set Sails Furling mainsail Genoa Rigging Steering wheel Inside Equipment Electric bilge pump Battery charger Refrigerator Marine head Microwave oven Air compressor Deep freezer Oven Electrical Equipment Shore power inlet Outside Equipment/Extras Cockpit table Cockpit cushions Cockpit shower Swimming ladder Electric windlass
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)
Draft for wing keel version: 1.37m/4.5’
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