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Seaforth 24, 1980 sailboat for sale Coastal Cruiser with trailer $4900.00
Go to Sailing Texas classifieds for current sailboats for sale
24 feet LOA … including bow sprit and boomkin. Hull is double-ender … 20 feet 6 inches long on deck. Beam is 7 feet 4 inches … draft around 2 1/2 feet. Standing rigging replaced 2009 - oversized wire. New mainsail 2009 … offshore quality. 3 headsails in good condition. Good running Yanmar 2 cylinder diesel engine. Bottom painted fall 2021 and the wood trim was also varnished. Anchors, dock lines, bottom paint, extras are included. She comes with a tandem axle trailer that can ramp launch and load the boat. Tires/axles are good. I have owned this boat since 2008 and she now needs to find a younger owner. She is not a project boat. Boat has been lightly used in slightly salty water since I have owned her. She is ready to use … strongly built. Boat and trailer titles are legal and up to date. Located in marina near Washington, NC (27889)
SOLD
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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