The SWAN 431 is a sailboat model with detailed specifications and information available on SailboatData.com.

The Swan 431 is a recreational keelboat, built predominantly of glassfibre, with wood trim. It has a masthead sloop rig, a raked stem, a reverse transom, a skeg -mounted rudder controlled by a wheel and a fixed swept fin keel. It displaces 26,500 lb (12,020 kg) and carries 11,900 lb (5,398 kg) of ballast. [1][2]

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1976-1978 - S&S des. #2238 - 32 hulls builtDrawings > Articles >

2014年5月12日 · At ClassicSwan.org I finally found the most proper one available. It was a S&S Swan 431 with all the new rigging (new rods, dyneema ropes), new sails, new teak decking, engine, propshaft, el.windlass, ... etc. Her awlgripped hull shines like new and after a very careful survey (*) I decided to leave an offer which was soon accepted.

Introducing the 1978 Nautor Swan 431, a timeless masterpiece of Finnish craftsmanship and renowned naval architecture by Sparkman & Stephens. This 43-foot cruiser-racer epitomizes the blend of performance and luxury that Swan yachts are celebrated for.

The Swan 431 is a 43.25ft masthead sloop designed by Sparkman & Stephens and built in fiberglass by Nautor (Swan sailboats) between 1976 and 1978. 32 units have been built. The Swan 431 is a heavy sailboat which is a reasonably good performer. It is very stable / stiff and has a good righting capability if capsized.

Designed to determine if a boat has blue water capability. The CSF compares beam with displacement since excess beam contributes to capsize and heavy displacement reduces capsize vulnerability. The boat is better suited for ocean passages (vs coastal cruising) if the result of the calculation is 2.0 or less. The lower the better.

Jan Kuffel sailed the Swan Baltics Sea Challenge on a Swan 431 and compares myth to reality. The classic beautiful lines of the Swan 431 already fascinate at the pontoon. The proportions of the hull are accentuated by the dark-blue varnish.

Swan 431 is a 13.2 m monohull sailboat designed by Sparkman & Stephens and built by Nautor (Swan sailboats) between 1976 and 1978. The theoretical maximum speed that a displacement hull can move efficiently through the water is determined …