The Swan 55 is a Finnish

sailboat A sailboat or sailing boat is a boat propelled partly or entirely by sails and is smaller than a sailing ship. Distinctions in what constitutes a sailing boat and ship vary by region and maritime culture. Types Although sailboat terminology ...

that was designed by

Sparkman & Stephens Sparkman & Stephens is a naval architecture and yacht brokerage firm with offices in Newport, Rhode Island and Fort Lauderdale, Florida, USA. The firm performs design and engineering of new and existing vessels for pleasure, commercial, and milit ...

as a

cruiser A cruiser is a type of warship. Modern cruisers are generally the largest ships in a fleet after aircraft carriers and amphibious assault ships, and can usually perform several operational roles from search-and-destroy to ocean escort to sea ...

- racer and first built in 1970. The boat was variously sold as the Swan 55, Swan 53 and the Palmer Johnson 53.

Production

The design was built by

Oy Nautor AB Oy Nautor Ab is a Finnish producer of luxury sailing yachts, based in Jakobstad. It is known for its ''Nautor's Swan'' range of yachts models. The company was founded in 1966 by Pekka Koskenkylä. The designers Nautor has worked with four nav ...

in Finland, from 1970 to 1974 with 16 boats built, but it is now out of production. Of those built, seven were the

yawl A yawl is a type of boat. The term has several meanings. It can apply to the rig (or sailplan), to the hull type or to the use which the vessel is put. As a rig, a yawl is a two masted, fore and aft rigged sailing vessel with the mizzen mast ...

rig version.

Design

The Swan 55 is a recreational

keelboat A keelboat is a riverine cargo-capable working boat, or a small- to mid-sized recreational sailing yacht. The boats in the first category have shallow structural keels, and are nearly flat-bottomed and often used leeboards if forced in open w ...

, built predominantly of

glassfibre Fiberglass (American English) or fibreglass (Commonwealth English) is a common type of fiber-reinforced plastic using glass fiber. The fibers may be randomly arranged, flattened into a sheet called a chopped strand mat, or woven into glass clo ...

, with wood trim. It has a

masthead sloop A masthead rig on a sailing vessel consists of a forestay and backstay both attached at the top of the mast. The Bermuda rig can be split into two groups: the masthead rig and the fractional rig. The masthead rig has larger and more headsails, a ...

or yawl rig, a

raked stem The stem is the most forward part of a boat or ship's bow and is an extension of the keel itself. It is often found on wooden boats or ships, but not exclusively. Description The stem is the curved edge stretching from the keel below, up to ...

, a

skeg A skeg (or skegg or skag) is a sternward extension of the keel of boats and ships which have a rudder mounted on the centre line. The term also applies to the lowest point on an outboard motor or the outdrive of an inboard/outboard."A small fin f ...

-mounted

rudder A rudder is a primary control surface used to steer a ship, boat, submarine, hovercraft, airship, or other vehicle that moves through a fluid medium (usually air or water). On an airplane, the rudder is used primarily to counter adverse yaw ...

controlled by a

wheel A wheel is a rotating component (typically circular in shape) that is intended to turn on an axle Bearing (mechanical), bearing. The wheel is one of the key components of the wheel and axle which is one of the Simple machine, six simple machin ...

and a fixed swept fin

keel The keel is the bottom-most longitudinal structural element of a watercraft, important for stability. On some sailboats, it may have a fluid dynamics, hydrodynamic and counterbalancing purpose as well. The keel laying, laying of the keel is often ...

. It displaces and carries of lead ballast. The boat has a draft of with the standard keel. The boat is fitted with a Swedish

Volvo Penta Volvo Penta is a Sweden, Swedish marine and industrial engine manufacturer, a joint stock company within the Volvo, Volvo Group. Volvo Penta evolved from a foundry in Skövde 1907, when the first marine automobile engine, marine engine, the B ...

MD21A

diesel engine The diesel engine, named after the German engineer Rudolf Diesel, is an internal combustion engine in which Combustion, ignition of diesel fuel is caused by the elevated temperature of the air in the cylinder due to Mechanics, mechanical Compr ...

of for docking and manoeuvring. The fuel tank holds and the

fresh water Fresh water or freshwater is any naturally occurring liquid or frozen water containing low concentrations of dissolved salt (chemistry), salts and other total dissolved solids. The term excludes seawater and brackish water, but it does include ...

tank has a capacity of . The design has sleeping accommodation for nine people, with a double

"V"-berth A sleeping berth is a bed or sleeping accommodation on vehicles. Space accommodations have contributed to certain common design elements of berths. Beds in boats or ships While beds on large ships are little different from those on shore, ...

in the bow cabin, L-shaped and U-shaped settees in the main salon, a two straight settees and a

pilot berth A sleeping berth is a bed or sleeping accommodation on vehicles. Space accommodations have contributed to certain common design elements of berths. Beds in boats or ships While beds on large ships are little different from those on shore, ...

in the forward salon and two aft cabins each with a double berth. The

galley A galley is a type of ship optimised for propulsion by oars. Galleys were historically used for naval warfare, warfare, Maritime transport, trade, and piracy mostly in the seas surrounding Europe. It developed in the Mediterranean world during ...

is located on the port side just forward of the

companionway In the architecture of a ship, a companion or companionway is a raised and windowed hatchway in the ship's deck, with a ladder leading below and the hooded entrance-hatch to the main cabins. A companionway may be secured by doors or, commonly i ...

ladder. The galley is L-shaped and is equipped with a three-burner stove, an

ice box An icebox (also called a cold closet) is a compact non-mechanical refrigerator which was a common early-twentieth-century kitchen appliance before the development of safely powered refrigeration devices. Before the development of electric refrig ...

and a double sink. A navigation station is opposite the galley, on the starboard side. There are two heads, one just aft of the bow cabin on the port side and one on the starboard side, aft. The design has a

hull speed Hull speed or displacement speed is the speed at which the wavelength of a vessel's bow wave is equal to the waterline length of the vessel. As boat speed increases from rest, the wavelength of the bow wave increases, and usually its crest-to- ...

of and a

PHRF Performance Handicap Racing Fleet (PHRF) is a handicapping system used for yacht racing in North America. It allows dissimilar classes of sailboats to be raced against each other. The aim is to cancel out the inherent advantages and disadvantages ...

handicap of 48 to 57.

Variants

;Sloop :This sloop-rigged model has a raised counter,

reverse transom In some boats and ships, a transom is the aft transverse surface of the hull that forms the stern of a vessel. Historically, they are a development from the canoe stern (or "double-ender") wherein which both bow and stern are pointed. Transom ...

, a length overall of and a waterline length of . For sailing downwind this model may be equipped with a symmetrical

spinnaker A spinnaker is a sail designed specifically for sailing off the wind on courses between a Point of sail#Reaching, reach (wind at 90° to the course) to Point of sail#Running downwind, downwind (course in the same direction as the wind). Spinna ...

of . ;Yawl :This yawl-rigged model has a lengthened, raised counter, angled transom, a length overall of and a waterline length of . For sailing downwind this model may be equipped with a symmetrical spinnaker of .

References

External links

* {{Sparkman & Stephens Keelboats 1970s sailboat type designs Sailing yachts Sailboat type designs by Sparkman and Stephens Sailboat types built by Nautor Swan

Production

Design

Variants

See also

References

External links