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This is a 1987 WD Schock 34 pc performance cruiser a Nelson Marek design built by WD Schock on the west coast. She sails and handles wonderfully in any condition. Her hull has a deep fin keel 6.5 with a spade rudder and a 11.5 beam. She can be cruised or raced with comfort. Step through transom with an attachment to make her closed off and an aft shower. Comes with newer sunbrella cushions and exterior cockpit cushions. Has CNG oven stove a yanmar 3gm with 1400 hours a Gori 3-blade propeller a recent bottom job and a 1800W inverter charger hot and cold pressure water switch for freshwater flush head and a GPS Chart Plotter. She would be a fantastic vessel for anyone interested in cruising day sailing or racing. She has an ECSA PHRT rating of 117 and is a very competitive racer. Comes with a suite of sails mains jibs spinnakers. asymmetrical symmetrical Minor wear for a 35 year old vessel.
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)
PC=Performance Cruiser.
Available with shoal draft wing keel.
Draft 4.5’
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