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Swan 431 - Wikipedia

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Swan 431
Development
Designer	Sparkman & Stephens
Location	Finland
Year	1976
No. built	32
Builder(s)	Oy Nautor AB
Role	Cruiser-Racer
Name	Swan 431
Boat
Displacement	26,500 lb (12,020 kg)
Draft	7.40 ft (2.26 m)
Hull
Type	monohull
Construction	glassfibre
LOA	43.25 ft (13.18 m)
LWL	33.33 ft (10.16 m)
Beam	13.41 ft (4.09 m)
Engine type	Perkins Engines 4-108M 37 hp (28 kW) diesel engine
Hull appendages
Keel/board type	swept fin keel
Ballast	11,900 lb (5,398 kg)
Rudder(s)	Skeg-mounted rudder
Rig
Rig type	Bermuda rig
I foretriangle height	59.00 ft (17.98 m)
J foretriangle base	17.92 ft (5.46 m)
P mainsail luff	53.25 ft (16.23 m)
E mainsail foot	13.75 ft (4.19 m)
Sails
Sailplan	Masthead sloop
Mainsail area	366.09 sq ft (34.011 m²)
Jib/genoa area	529.53 sq ft (49.195 m²)
Total sail area	895.62 sq ft (83.206 m²)
Racing
PHRF	84-93
[edit on Wikidata]

The Swan 431 is a Finnish sailboat that was designed by Sparkman & Stephens cruiser-racer and first built in 1976. The boat is Sparkman & Stephens' design #2238-C1.^[1]^[2]^[3]^[4]

Production

The design was built by Oy Nautor AB in Finland, from 1976 to 1978 with 32 boats completed, but it is now out of production.^[1]^[2]^[5]^[6]

Design

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]

The boat has a draft of 7.40 ft (2.26 m) with the standard keel.^[1]^[2]

The boat is fitted with a British Perkins Engines 4-108M diesel engine of 37 hp (28 kW) for docking and manoeuvring. The fuel tank holds 40 U.S. gallons (150 L; 33 imp gal) and the fresh water tank has a capacity of 100 U.S. gallons (380 L; 83 imp gal).^[1]^[2]

The design has sleeping accommodation for nine people, with a double "V"-berth in the bow cabin, two straight settee berths and two pilot berths in the main cabin and two aft cabins with a double berth in the starboard cabin and a single berth in the port cabin. The galley is located on the port side just abeam of the companionway ladder. The galley is of straight configuration and is equipped with a three-burner stove, an ice box and a 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.^[1]^[2]

The design has a hull speed of 7.74 kn (14.33 km/h) and a PHRF handicap of 84 to 93.^[1]^[2]^[7]

References

^ ^a ^b ^c ^d ^e ^f ^g McArthur, Bruce (2023). "Swan 431 sailboat". sailboatdata.com. Archived from the original on 11 April 2023. Retrieved 11 April 2023.
^ ^a ^b ^c ^d ^e ^f ^g Sea Time Tech, LLC (2023). "Swan 431". sailboat.guide. Archived from the original on 11 April 2023. Retrieved 11 April 2023.
^ McArthur, Bruce (2023). "Sparkman & Stephens". sailboatdata.com. Archived from the original on 10 August 2020. Retrieved 11 April 2023.
^ Sea Time Tech, LLC (2023). "Sparkman & Stephens". sailboat.guide. Archived from the original on 21 June 2022. Retrieved 11 April 2023.
^ McArthur, Bruce (2023). "Nautor (Swan sailboats)". sailboatdata.com. Archived from the original on 7 April 2022. Retrieved 11 April 2023.
^ Sea Time Tech, LLC (2023). "Nautor (Swan sailboats)". sailboat.guide. Archived from the original on 6 April 2023. Retrieved 11 April 2023.
^ US Sailing (2023). "PHRF Handicaps". ussailing.org. Retrieved 11 April 2023.

Sailboat types built by Nautor Swan

Sparkman & Stephens

Swan sailboats	36 37 38 40 41 411 43 431 44 47 47-2 48 50 MS 55 57 65 76
Nautor motorsailers	39 43 50

Ron Holland

Swan sailboats	371 39 391 42 43 432 441
Nautor motersailers	105

Germán Frers

Swan sailboats	36-2 40 44 45 46 Mk I 46 Mk II 46 Mk III 461 48 Frers 48-3 Frers 51 53 Mk I 53 Mk II 54 55 Frers 55CC Frers 56 57CC Frers 57RS 58 59 60 601 60 FD 61 62 651 66 68 70 77 78 80 80-2 82 86 88 90 95 98 100 105 RS 108 112 RS 115 120 128 131
ClubSwan saliboats	42

Juan Kouyoumdjian

ClubSwan sailboats	36 43 50 80 125

Sparkman & Stephens naval architecture and yacht brokerage firm

Key people

S&S designs

Nautor's Swan sailboats	36 37 38 40 41 411 43 431 44 47 47-2 48 50 MS 55 57 65 76
Nautor motorsailers	39 43 50
Hughes sailboats	26 31 35 38-1 38-2 38-3 40 48
North Star sailboats	38 48 80/20 500 600 1000 1500
Tartan sailboats	27 27 Yawl 27-2 34-2 34 C Ten
Seafarer sailboats	23 Kestrel 45 46 48
Other craft	Aura A35 Cape Cod Mercury 15 Catalina 38 D&M 22 Designers Choice Dolphin 24 DUKW Ford GPA Hinckley 38 Howmar 12 Interclub Dinghy Lightning (dinghy) New Horizons 26 Pilot 35 PJ 30 1/2 Ton S&S 34 Sauda-class mine countermeasures vessel SHE 36 Shields Swift 40 Weekender 24 Yankee 38
Notable vessels	Brilliant Capricia Corsaro II Dorade Flyer Manitou Morning Cloud Sayula II Stella Polare Stormy Weather
America's Cup sailboats	Ranger (1937) Columbia (1958) Constellation (1964) Intrepid (1967/70) Courageous (1974/77) Freedom (1980)

Associated builders

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Production

Design

See also

References