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- Sailboat Guide
Yankee Dolphin 24
- Description
Seller's Description
Rig and sails, auxilary power, accomodations, calculations.
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
Max Speed/Length ratio = 8.26 ÷ Displacement/Length ratio .311 Hull Speed = Max Speed/Length ratio x √LWL
Sail Area / Displacement Ratio
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
- SA : Sail area in square feet, derived by adding the mainsail area to 100% of the foretriangle area (the lateral area above the deck between the mast and the forestay).
- D : Displacement in pounds.
Ballast / Displacement Ratio
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
Displacement / Length Ratio
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
- D: Displacement of the boat in pounds.
- LWL: Waterline length in feet
Comfort Ratio
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 Beam 1.33 )
- D: Displacement of the boat in pounds
- LOA: Length overall in feet
- Beam: Width of boat at the widest point in feet
Capsize Screening Formula
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)
From a 1959 S&S design (#1497) to the MORC rule. Similar to the O’Day version. (The earlier hulls for the YANKEE DOLPHIN where molded by O’Day. Yankee eventually used one of these to built its own mold.) This design, with some modifications, was built by a number of builders. A wood predecessor was called the MERMAID 24.
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yankee dolphin preowned sailboats for sale by owner. yankee dolphin used sailboats for sale by owner. Home. ... 24.5' Seaward 23 Alum Creek, Ohio Asking $12,500.
1971. 24'. 8'. 5'. New York. $7,500. Description: Classic Yankee Dolphin 24 (hull #219) from the boards of the legendary Sparkman & Stephens, who considered this fun, fast and forgiving pocket cruiser/weekender one of their best designs. Numerous upgrades including Awlgripped hull, Yamaha outboard, dodger, solar panel and standing & running ...
October 25, 2022 - Whimsey, Yankee Dolphin #166, Port Jefferson, New York. November 28, 2022 - Dolphin 24 WANTED, Camden, Maine. April 21, 2023 - Dolphin trailer SOLD El Gr enada, California (near San Francisco) - in Rosters (bottom of page) April 29, 2023 - Yankee #211 Long Beach, California FOR SALE. June 12, 2023 - Unda Maris III, Yankee ...
From a 1959 S&S design (#1497) to the MORC rule. Similar to the O’Day version. (The earlier hulls for the YANKEE DOLPHIN where molded by O’Day. Yankee eventually used one of these to built its own mold.) This design, with some modifications, was built by a number of builders. A wood predecessor was called the MERMAID 24.
From a 1959 S&S design (#1497) to the MORC rule. Similar to the O’Day version. (The earlier hulls for the YANKEE DOLPHIN where molded by O’Day. Yankee eventually used one of these to built its own mold.) This design, with some modifications, was built by a number of builders. A wood predecessor was called the […]
Yankee Dolphin 24 Sailboat+trailer - $4500 (san jose east) condition: good. Beautiful Sparkman and Stevens design. Built by Yankee Yachts in 1968. Very solid, no soft spots anywhere. Good sails. Legal head. New 5 HP, 4 stroke Mercury outboard. Sitting on trailer.
1969 Yankee Dolphin. 24 ft. Sparkman & Stephens designed boat. - Draft 2'9 with board up 5'8" board down. Roller furler. 9.9 2 stroke Johnson outboard. Tiller. Sleeps 2-3. Includes Main, Jib and Spinnaker sails, enclosed head porta poti. Sink with foot pump 20 gallon water tank, ice box.
Welcome to the Dolphin 24 Website. The Dolphin 24 sailboat was designed by Sparkman & Stephens in 1959 - design #1497. This site is a work in progress for owners of O'Day Dolphins, Yankee Dolphins, Pacific Dolphins, Tripp Dolphins, J.J. Taylor Dolphins, the Mermaid 24, the fin keeled dolphins built in New Zealand - the S&S 24 and the Falcon 24 ...
yankee dolphin preowned sailboats for sale by owner. yankee dolphin used sailboats for sale by owner. Home. ... 24.5' bristol bristol 24 San Rafeal, California
Yankee Dolphin 24, 1971. Portland, Oregon. With great regret, we're selling our 1971 Yankee Dolphin 24, Yanqui. She's Yankee Yachts hull #197, one of the later boats from a 1959 classic plastic design by Sparkman and Stephens. Go to www.dolphin24.org for lots of information on the design. She's a small, trailerable, centerboard/shoal keel ...