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SWAN 431

SWAN 431 built by Nautor and designed by Sparkman & Stephens. Her first hull was built in 1976 with an overall lengh of 13.18 m or 43.25 ft long

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SWAN 431 Sailboat Specifications​

Features

Overall Length (LOA) m / ft13.18 m / 43.25 ft
Builder(s)Nautor
Designer(s)Sparkman & Stephens
BrandSwan
CountryFinland
Hull TypeFin with rudder on skeg
Number of Hulls Built32
First Hull Built1976
Last Hull Built1978
Ballast TypeLead
Rigging TypeMasthead Sloop
UnsinkableNo
TrailerableNo
Freshwater Tank Capacity lt/gal379 L / 100 gal
Ballast Ratio44.91

Dimensions

Overall Length (LOA) 13.18 m / 43.25 ft
Waterline Length (LWL)10.16 m / 33.33 ft
Beam (width)4.09 m / 13.41 ft
Draft2.26 m / 7.40 ft
Light Displacement (MLC) 12020 kg / 26500 lb
Maximum Displacement12020 kg / 26500 lb
Ballast Weight5398 kg / 11900 lb

Performance

Capsize Screening Formula (CSF)1.80
Comfort Ratio35.55
Displacement-Length Ratio (DLR)319.52
Ballast Ratio44.91
Sail Area to Displacement16.19

Above Deck

Estimated Forestay Length18.80 m / 61.67 ft
Reported Sail Area83.24 m² / 896.00 ft²
Total Sail Area83.21 m² / 895.62 ft²
Mainsail Area34.01 m² / 366.09 ft²
I59.00 ft * 17.98 m
J17.95 ft * 5.47 m
P53.25 ft * 16.23 m
E13.75 ft * 4.19 m
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