sakonnet 23 sailboat data

Sakonnet 23

The sakonnet 23 is a 23.17ft fractional sloop designed by joel white and built in fiberglass by marshall marine corp. since 1997., 85 units have been built..

The Sakonnet 23 is a light sailboat which is a good performer. It is very stable / stiff and has a good righting capability if capsized. It is best suited as a day-boat.

Sakonnet 23 for sale elsewhere on the web:

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• Sailboat Guide

Sakonnet 23

Sakonnet 23 is a 23 ′ 1 ″ / 7.1 m monohull sailboat designed by John G. Alden and Joel White and built by Marshall Marine Corp. and Edey & Duff starting in 1997.

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)

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Review of Sakonnet 23

Basic specs..

The hull is made of fibreglass. Generally, a hull made of fibreglass requires only a minimum of maintenance during the sailing season. And outside the sailing season, just bottom cleaning and perhaps anti-fouling painting once a year - a few hours of work, that's all.

The boat equipped with a fractional rig. A fractional rig has smaller headsails which make tacking easier, which is an advantage for cruisers and racers, of course. The downside is that having the wind from behind often requires a genaker or a spinnaker for optimal speed.

CentreBoard

The Sakonnet 23 is equipped with a centreboard keel. A centreboard keel is a pivoting lifting keel, allowing to sail both coastal and inland waters.

The boat can enter even shallow marinas as the draft is just about 0.56 - 0.66 meter (1.84 - 2.14 ft) dependent on the load. See immersion rate below.

Sailing characteristics

This section covers widely used rules of thumb to describe the sailing characteristics. Please note that even though the calculations are correct, the interpretation of the results might not be valid for extreme boats.

What is Capsize Screening Formula (CSF)?

The capsize screening value for Sakonnet 23 is 1.93, indicating that this boat could - if evaluated by this formula alone - be accepted to participate in ocean races.

What is Theoretical Maximum Hull Speed?

The theoretical maximal speed of a displacement boat of this length is 5.8 knots. The term "Theoretical Maximum Hull Speed" is widely used even though a boat can sail faster. The term shall be interpreted as above the theoretical speed a great additional power is necessary for a small gain in speed.

The immersion rate is defined as the weight required to sink the boat a certain level. The immersion rate for Sakonnet 23 is about 70 kg/cm, alternatively 394 lbs/inch. Meaning: if you load 70 kg cargo on the boat then it will sink 1 cm. Alternatively, if you load 394 lbs cargo on the boat it will sink 1 inch.

Sailing statistics

This section is statistical comparison with similar boats of the same category. The basis of the following statistical computations is our unique database with more than 26,000 different boat types and 350,000 data points.

What is Motion Comfort Ratio (MCR)?

What is L/B (Length Beam Ratio)?

What is a Ballast Ratio?

What is Displacement Length Ratio?

SA/D (Sail Area Displacement ratio) Indicates how fast the boat is in light wind: - Cruising Boats have ratios 10-15 - Cruiser-Racers have ratios 16-20 - Racers have ratios above 20 - High-Performance Racers have ratios above 24 Sail-area/displacement ratio (SA/D ratio): 19.46

Maintenance

If you need to renew parts of your running rig and is not quite sure of the dimensions, you may find the estimates computed below useful.

This section is reserved boat owner's modifications, improvements, etc. Here you might find (or contribute with) inspiration for your boat.

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Norton Boat Works 535 Commercial Ave

Green Lake, WI 54941

920.294.3544 Shop 312.543.4689 Cell

[email protected]

Shop Hours Monday through Friday

7:30 am to 4:00 pm or by appointment

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Sakonnet 23 – 23' Double Ended Sailboat (LaLa)

Thi sis LaLa – the original Sakonnet 23. Designed by Joel White and built by Joe Norton III. We built the original boat that became the mold for the fiberglass Sakonnet 23 now manufactured by Edey and Duff. This is a time-proven design that we love dearly. Probably our most "famous" project, it has been featured in many articles and publications. Wooden Boat Magazine #126, Small Craft Advisor, Harken Bearings (Fall 1996), just to name a few, as well as countless other pages on the internet. There are even small-scale models based on this boat! Click the links below to read the articles. When you're done, give us a call. We'd love to build one for you!

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2014 Marshall Marine Sakonnet 23

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Joel White Designed Sakonnet 23′

Marshall Marine has acquired the molds and building rights to the Sakonnet 23, formerly built by Edey & Duff out of Mattapoisett. This is a classic Joel White designed daysailer, with a shoal draft similar to Marshall’s catboats. Her unique double ended design and graceful shear will surely be the envy of any harbor. She sails effortlessly in virtually any breeze, barely leaving a wake. There are approximately 85 Sakonnets spread out across the United States, being enjoyed for family daysailing, singlehanding and racing.

General Specifications

LOA: 23’ 2” LWL: 18’ 8” Beam: 6’ 1” Draft: 1’ 10” & 5’ 2” Sail Area: 193 sq. ft. Displacement: 2,000 lbs.

Standard Features

Molded Cockpit Liner with Storage Lockers and Drains Full Flotation 920 lb. Lead Keel Ballasted Pivoting Centerboard Fiberglass Rudder with Stainless Steel Post Varnished Ash Tiller Flush-Mounted Manual Bilge Pump Teak Trim Bronze Bow and Stern Hardware Castings Half-Oval Brass Rail Guards at Bow Chocks Tapered Anodized Aluminum Mast and Boom with Vang Stainless Steel Wire for Standard Rigging Harken Deck and Rigging Hardware Mainsail with Single Reef 100% Hank-on JIb Hull, with integral centerboard trunk, deck and cockpit liner are one piece molded fiberglass. Hull and deck are reinforced with closed cell foam. White hull and cockpit, with deck color choices of sand, bone, white or gray. Bottom painted with two coats anti-fouling paint.

Marshall Marine Shipyard Lane PO Box P-266 South Dartmouth, MA 02748730

508.994.0414

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