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The 27 is a sturdy boat that is great for weekending, day sailing and club racing, sleeps 4 and will provide you with hours of enjoyment. Hull #42 was built in May of 1986 and was refurbished by its second owner in 2003, including professionally done refinishing with Awl-Grip and a new barrier coat on the hull. The engine was replaced in 2007, along with the exhaust systems. The standing rigging was replaced in the spring of 2017 and a back stay adjuster added. In 2014 the sail plan was updated, and included a Doyle battened Dacron mainsail and 135% headsail, Selden fixed bow sprit and a Doyle self-furling cruising spinnaker. Recent hull survey finds that “In spite of the fact that this vessel is nearly 40 years old, it is in remarkably good condition and with some attention to the forgoing, the undersigned would consider the hull sound and seaworthy for service in protected, inland and near shore waters.” The name of the boat, About Time, is aptly named for the hours of enjoyment this craft will provide you. It is easily single handed and can hold 6 comfortably. I must sell her before September and will entertain all reasonable offers.
Equipment: Yanmar 1GM10 9hp diesel inboard (2007) (210 hours) Raymarine instruments Tiller steering Shore power and cord Furlex roller furling headsail system Spinnaker gear Whisker pole Boom vang LED Cabin lights. (5) Jack Stands
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)
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