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Sea Pearl Trimaran 21, 1999 sailboat for sale 14’ beam with amas extended
Beautiful Sea Pearl Trimaran. Very rare on the west coast. I had it shipped from the mid-west when I purchased it.
Swing out amas makes for a very easy trailering trimaran. Can be sailed or motored out from the dock and swing the amas (pontoons) out whenever you want to make a 14’ beam! Super stable. Very easy to do singlehanded. Sails so nice!! I’ve sailed this boat with 8-10 people. Party boat! If you’re not familiar with the Sea Pearl 21, google it. It is a great cat ketch vessel with both main and mizzen sails roll up on the mast for reefing or storing. Fantastic design. The trimaran makes it even better! Drafts as little as 7”! Leeboards make sailing a breeze. I love this boat but health problems is sadly forcing me to sell.
Recent additions -
Brand new ($2000) North Sails with sacrificial sunbrella! Used for only ONE day sail. New main mast New custom motor mount - This can be for a gas motor and is similar to the “stock” version that Marine Concepts sold for $800. New electric motor - 55lb thrust Minn Kota Installed 4 New round inspection hatches New Battery New battery management box Umbrellas - see pic - Pretty cool. Great thing at anchor. New winch holder New winch strap New tire holder
2 - 100 watt flexible solar panels Tons of storage Full Camper canvas Cockpit Bimini Factory trailer Lots of extras! Redding, California $14,750
or phone 530-515-four-eight-two-seven
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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