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The 1991 Schock 35 is a very popular boat for sailing enthusiasts, and this one appears to have been well cared for. It is powered by a Perkins M30 diesel 3-cylinder engine (Perkins Perama). It has a Flexifold 3-blade prop.
The interior is in very nice condition with a diesel heater, hot water, a refrigerator freezer, and a stainless steel sink. There is plenty of room for an induction cooktop.
Electronics include a Furuno Navnet chartplotter-GPS, AIS and digital charts from Oregon to Vancouver Island. There is radar and an autopilot as well.
The exterior appears to be in good condition, with a bimini and dodger, see below. There is a full set of sails that includes a cruising Gennaker.
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.
This listing is presented by PopYachts.com. Visit their website for more information or to contact the seller.
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