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https://www.pacificmarinesales.com/boats-for-sale/1983-santa-cruz-50-mark-ii-hull-27-anacortes-washington-8091426/
Equipment: Yacht owned since 1996. On purchase, the mast and all standing rigging were replaced (Ballenger). The mast is set up to accept slugs or a luff tape. The barrels on the upper turnbuckles were replaced around 2016. 1998 the boom was refurbished. 1998, a Harken, roller furling system was installed. The Vang and outhaul are original, the vang was serviced in 2010. The vang has a small seep, handled with an oilsorb wrap. The Babystay hydraulic cylinder was removed as it was not needed. A more suitable fiber system is indicated. However, the hoses are still in place. 2012, all sheaves at the masthead were replaced with high load Harkens. Offshore masthead spinnaker halyard shackles were also installed. 1998, new spinnaker halyards were installed. 1998, new main traveler system (Harken). The main sheet is due to be replaced. Spinnaker gear is all from 1998, it includes Harken airblocks, both sheets and blocks have all been stored when not in use. 2015, jib halyards were upgraded. 2016, New jib sheets. Masthead light is 360 deg. White and a tri-color lens are available. The rudder, rudder bearings, and upper bearing housing were replaced. (Water Rat Design in Carbon Fiber) The engine was also replaced. Electronics (VHF, SSB, GPS) Replaced 1998 Espar Diesel forced air heat, AC/DC Inverter with input and distribution, along with an AM/FM stereo. The existing Ockam system was retained, the software was upgraded by Ockam, and the GPS interface was added. 2012, the hull above the waterline was refinished with a two-part Imron style finish. 2012, The deck non-skid changed to Kiwigrip. 2012, an aft scoop was added to the transom, adding two feet to the overall length. The bottom paint was removed in 2018, glass bead blasted, new fairing, Interlux paint applied. Thereafter VC Offshore was applied. A final coating of Micron CSC was applied in the summer of 2020, to protect the bottom paint while in dry storage. Realistically, except for the jib, the sails are old, but serviceable from Quantum and include the Dacron main, three oz spinnakers, a oz, a 1&1/2 oz, and a chicken chute (5oz?), and a bulletproof storm trisail. The jib, a new 130% in a 2016 roller furling from Ballard Sails. The jib is removed during the winter storage along with the jib sheets. The main is kept under a sail cover. The engine is a Yanmar 4JH3E, 4 cylinder rated @ 52hp, driving a Yanmar SD 31 Saildrive to a two bladed Max Prop, all installed in 1998. (There also is a GORI folding prop)All service is up to date. An 80 amp alternator keeps the batteries topped up while motoring. A refrigeration compressor is also driven by the engine, the compressor was replaced in 2006. 50-gallon fuel tank, located under the STBD setee, was cleaned in 1998, and again in 2019. (Condition report is available) https://sailboatdata.com/sailboat/santa-cruz-50 https://sailboatdata.com/storage/images/sailboat/drawing/santa_cruz_50_mkii_drawing.jpg
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)
Shown above is the MII version, which featured some changes allowing it to rate more favorably under the IOR.
This listing is presented by SailboatListings.com. Visit their website for more information or to contact the seller.
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