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This boat is a 1987 Marine Trader Island Trader 40 sailing trawler with a deck saloon that offers plenty of space and comfort for up to 6 people. She is solid glass (no sandwichboard or balsa).
She is powered by an economical Lehman 135 HP engine with 1782 hours of use.
There are two cabins, one with a double berth and one with a bunk bed. A head with a separate shower/bathtub and an electric toilet (requires a holding tank).
The galley has a sink, stove, Domestic refrigerator, and microwave. The Saloon has a settee that converts to a double berth, and a Samsung flat-screen TV.
There are two helms, one in the pilot house and one in the cockpit. A Garmin GPS 527 Chartplotter and a triducer with depth, temperature, and speed.
The solar package includes a Varta AGM 750 amp hour battery house bank, two 375-watt solar panels, a Victron BMV 712 smart battery monitor, and a Victron MPPT 100/50
For auxiliary power, there is a Westerbeke 7.6 generator with 4799 running hours (currently not working), and has new glow plugs installed. Includes a Lofrans Tigress windlass.
She has a 40’ mast (not original), newer standing and running rigging. Roller furling.
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)
Available in center and aft cockpit versions.
Available as or similar to others such as:
SEA WOLF 41, YANKEE CLIPPER 40/41, FORMOSA 41, and CT-41.
This listing is presented by PopYachts.com. Visit their website for more information or to contact the seller.
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