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SALE PENDING This very nice 25 foot Catalina has a Honda 8 HP 4stroke outboard motor and is on a dual axle trailer with new tires. This water ballast, swing keel model can be launched and retrieved in shallow water in Lake Mead or any other lake. Easy to tow due to the water ballast feature and low profile swing keel and a weight of 3200 pounds. Catalina yachts says it sleeps up to 6 good friends. The trailerable bottom paint was applied less than two years ago. The pictures taken on a very light air day were taken on Lake Mead about 7weeks ago.
Equipment: Mainsail, roller furling head sail, pop top over cabin with Catalina tent cover over pop top, CDI roller furler. Lewmar winches, battery charger, dual batteries (new), step through transom, swim latter, new port-a-potty still in box, life jackets, fenders, factory provided cooler, propane stove, sink in head, sink on galley counter, cockpit cushions, lots of storage. Edson pedestal with wheelsteering.
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)
Variant of CATALINA 250 with a centerboard and water ballast. Tank incorporated into double bottom and designed as static ballast. (Always filled while sailing; Emptied for trailering)
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