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1975 Fisher 25 motorsailer, pilothouse ketch. A well-built, seaworthy British motorsailer that you’d use under power much of the time. A pilothouse offers protection from the elements making a longer sailing season possible. Cruise speed 5 kt; hull speed 6 kt. A slow but steady, solid boat. Deep bulwarks. Custom made davits. Teak trim inside and out. Refitted with a 29 hp diesel 3YM30F Yanmar engine with approximately 70 hours. Dual fuel filters. 40 U.S. gal fuel tank; 30 U.S. gal fresh water capacity. A transom-hung rudder controlled by a wheel in the pilot house, hydraulic steering, a solid teak emergency tiller is mounted in the cockpit; fixed full keel. New genoa, main, and mizzen sails, never used - white. CDI roller reefing. Sheets lead aft to the cockpit. Raymarine GPS, chart plotter, and radio; Raytheon autopilot; Furino radar. Comfortable sleeping accommodations for four or five with a V-berth in the bow cabin; an L-shaped settee with a drop-down table; and a straight settee in the main cabin. The starboard-side galley is equipped with an alcohol stove, electric fridge, polished S/S sink, Corian counter top. Storage under all seating in the salon. 5,000 BTU A/C.
Heavy-duty cradle with 6 screw jacks, custom made for this boat.
Shrink-wrapped every year. $37,500, or $35,000 w/o the cradle.
Equipment: Photos and full list of equipment are available on request… size too large to fit here.
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)
Sloop or ketch.
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