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“Shelter Island” is a very clean and well-upgraded Catalina 34 with Dodger, Bimini, Solar Panel and replaced Standing Rigging (2017), B&G Electronics upgrade and Catalina Breaker Panel.
The boat has a very spacious 2 Cabin and 1 Head layout great for cruising or even living aboard. The Refrigerator was upgraded and Universal Diesel has a fresh water flush and extra insulation in the engine room.
Equipment: 2015 barrier coat at Gamble Shipyard in Long Beach Bottom Paint July 2018 Quantum sails Mainsail and sail pack with Strong Track on mast Furling Genoa Cockpit cushions Custom walk thru stern rail Nav pod at helm station Replaced Catalina Yachts main electrical panel and engine panel Replaced main cabin recessed plexiglass windows Engine Flush with 3 way diverter valve on sea water coolant valve Custom SS emergency rudder handle 4 AGM group 30 batteries Xantrex battery monitor Replaced Standing Rigging with 316 SS Ronco water tanks and holding tank Replaced macerator and holding tank plumbing B&G MFD touch screen plotter B&G Fixed VHF Radio B&G Handheld VHF Radar 165 watt solar panel with battery monitor Dodger and bimini Cockpit canvas enclosure Extended Cockpit SS rails Delta stern anchor and rail mount plus chain and road Delta anchor with 100’ high test chain and 80’ poly bow ASU 4 amp/hr refrigerator conversion Electric Jabsco head LED lighting through out boat including running lights SS engine and gear controls Emergency hand bilge pump & jabsco bilge pump Custom teak cockpit mat Custom V berth mattress cover Electric anchor windlass controls cockpit and bow Custom thermal heat blanket for exhaust riser Racor fuel water separator filter USB charge ports at nav station Autopilot with complete Spare
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)
Total Catalina 34’s built: 1,438
Shoal draft: 4.67’.
1985-1986: Deck stepped mast; Universal 25 (21HP) diesel engine.
1987-1990: Changed to keel stepped mast; Universal 25XP (23 HP) engine.
1990-1991: Walk-through transom introduced; Universal M35 (30 HP).
The last Mark I models look very much like Mark IIs. (see CATALINA 34 MKII)
Wing keel: Draft = 3.83’.
Tall Rig:
I: 46.0’
J: 13.5’
P: 40.5’
E: 12.0’
Photo courtesy Adam Hunt.
This listing is presented by SailboatListings.com. Visit their website for more information or to contact the seller.
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