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The Tayana 55 is designed by the Dutch Naval Architect and designer. Pieter Beeldsnijder, who is recognized throughout the world as a premier designer. This Tayana 55 named Ruach names by her second owner since new is designed and built for serious cruising. The hull is one of the most durable, versatile, safest and best performing hulls in its class. The wide beam of Ruach easily accommodates this three cabin layout; and few if any yachts of its size can carry it’s three cabin layout with a full stand up engine room and workbench so effortlessly. The philosophy at Tayana yachts is, sailing should be a pleasure. Ruach can be easily handled by a cruising couple by incorporating modern sailing technologies. Ruachs deck saloon provides light, air, visibility, and protection. This cutter rigged center cockpit sloop features complete electronics, a massive aft cabin with king bed and ensuite head, 2 forward cabins with a central head, a spacious salon, new dinghy, watermaker, generator, wind turbine and solar panels, 3 reverse cycle AC units, washing machine, 2kW inverter and roller furling headsail and trysail. Trades Considered
Contact Steve Smith
Steve@DenisonYachting.com
Phone:
Hong Kong
Phone & WhatsApp 852 5645 1488
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)
keel/cb version:
BU:5.25’ BD:9.83’
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