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The owner bought this boat in 2016
General condition and any additional information
If you are in the market for a racer or fast day sailor, look no further than this 1983 Chad Turner designed custom sailboat, priced right at $17,500 (offers encouraged).
Fractional rig with black composite sails. A fast boat in light or heavy air. Freshwater only boat.
Ive used the boat as a family day sailor, for charter cruises and for sailing lessons.
Standard features
Make Schock Model 30 Custom Racer / Day Sailor Year 1983 (registered as a 1979) Condition Used LOA 30 ft LWL 25 ft Beam 10.5 ft Draft 6 ft 9 inches Displacement 4500# Location Lake Lewisville, near Dallas TX PHRF adjusted rating 93 Sitting height cabin, open flooring, lots of storage Sails: Black Technora main and jib sail – very good condition, never raced. Mylar genoa in good condition Spinnaker in good condition Equipment: Whisker pole, spinnaker pole, horseshoe life ring, life sling with cover, anchor and rode, 2 – cabin top winches Barient #22 2- sheet winches Lewmar #40 two speed 2 – quarter deck backstay and spinnaker winches Lewmar #40 two speed self-tailing Mainsheet with Harken blocks and micro adjustment Other blocks predominately Harken Traveler with continuous adjustment line Rigid stainless boom vang by Garhauer 2 x 3-line clutches on the cabin top Backstays: An adjustable permanent plus two running and two babies. Defender 3000, XtremeW electronic forestay tension gauge for accurate forestay tensioning upwind. Signet Marine knotmeter Signet Marine wind speed Suunto Compass Harken tiller extension Deep cycle battery, battery box and charger Rule automatic bilge pump Stainless bow pulpit and stanchions with double Dyneema lifelines
Improvements to the hull, deck, rigging, engine, or interior
2000: added a High aspect ratio rudder and keel with 1500# lead bulb
2014: New custom trailer with two 6,000-pound axels and electric brakes. Includes large lockable storage box. Trailer is ready for a road trip and pulls smoothly. I easily moved boat to Texas using a ½ ton pickup.
2018: New Tohatsu Sailpro 6 Hp 4-stroke outboard and 3- gallon fuel tank. Estimated less than 10 hours usage. Has alternator for battery charging. New mainsail cover.
2019: Hawkeye depth gauge, mainsheet, main halyward, Windex 15 wind vane and Dyneema running backstays, New marine plywood hatch boards.
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)
Based on earlier SANTANA 35 (1978), with deeper keel and taller (masthead) rig.
An updated model was being built as of 2011.
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