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Northbridge Eclipse Southcoast
Designer: Carl Alberg  ·  Builder: Southcoast Seacraft (Usa)  ·  First built: 1978
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About the Northbridge Eclipse Southcoast

Relatively little documentation exists for the Northbridge Eclipse Southcoast, making it something of an elusive entry in the broader catalog of production sailboats. Based on its naming conventions, the Southcoast designation suggests a variant or regional edition within the Eclipse line, potentially tailored for sheltered coastal and inshore sailing conditions typical of southern coastal waters. Boats carrying the "Southcoast" descriptor are often designed with an emphasis on accessible, manageable sailing rather than offshore passage-making, suggesting this vessel may appeal to day sailors, weekend cruisers, and those exploring protected bays and estuaries. The Eclipse name itself implies a design philosophy oriented toward clean lines and balanced performance rather than outright racing speed. For prospective buyers researching this model, tracking down original builder documentation, class association records, or owner forums would be the most reliable path to understanding its true character and capabilities. Connecting with current or past owners can reveal practical insights about handling, maintenance considerations, and any quirks that don't appear in official literature. Given the limited data available, a thorough in-person survey by a qualified marine professional is strongly recommended before any purchase decision.

Core Dimensions
LOA (Length Overall) 22.00 ft / 6.71 m
LWL (Waterline Length) 17.00 ft / 5.18 m
Beam 7.08 ft / 2.16 m
Max Draft 4.83 ft / 1.47 m
Displacement 1,800.00 lb / 816 kg
Ballast 500.00 lb / 227 kg
Design & Construction
Hull Type Swing Keel
Rigging Type Masthead Sloop
Construction FG
Designer Carl Alberg
Builder SouthCoast Seacraft (USA)
First Built 1978
Owner Reviews

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Performance Ratios
Ballast/Displacement Ballast to Displacement ratio shows what percentage of the boat's total weight is ballast. Higher values generally mean better initial stability and stiffer sail carrying.
30–35% — Typical cruiser35–45% — Stiff performance boatOver 45% — Racing oriented
27.78
Displacement/Length Displacement to Length ratio measures how heavy a boat is relative to its waterline length. Lower values mean a lighter, faster boat.
Under 100 — Ultralight racer100–200 — Light cruiser/racer200–300 — Moderate cruiser300–400 — Heavy cruiserOver 400 — Very heavy
163.56
Pounds/Inch Immersion Pounds per Inch Immersion (PPI) tells you how much weight is needed to sink the boat one inch. Useful for calculating how additional gear and stores affect waterline. 2.58 pounds/inch
Rig Dimensions
I (Foretriangle Height) 0.83 ft / 0.25 m
J (Foretriangle Base) 8.75 ft / 2.67 m
P (Mainsail Luff) 226.00 ft² / 21.00 m²
E (Mainsail Foot) 163.56
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