Nautor 50

1976 — 1978
Designer
Sparkman & Stephens
Builder
Nautor (Swan sailboats)
Associations
?
# Built
9
Hull Type
Fin with rudder on skeg
Construction
FG

Dimensions

Length Overall
49 8 / 15.2 m
Waterline Length
37 6 / 11.4 m
Beam
15 1 / 4.6 m
Draft
5 6 / 1.7 m
Displacement
50,930 lbs / 23,100 kg
Ballast
14,550 lbs / 6,600 kg (Lead)
drawing

Rig and Sails

Type
Masthead Ketch
Reported Sail Area
1,112 ft2 / 103.3 m2
Total Sail Area
959 ft2 / 89.1 m2
Mainsail
Sail Area
371.6 ft2 / 34.5 m2
P
51 2 / 15.6 m
E
14 6 / 4.4 m
Mast Height
?
Foresail
Sail Area
587.4 ft2 / 54.6 m2
I
58 11 / 18 m
J
19 10 / 6.1 m
Forestay Length
62 3 / 19 m
Mizzen
PY
32 3 / 9.9 m
EY
9 6 / 2.9 m

Auxilary Power

Make
Perkins
Model
?
HP
115
Fuel Type
Diesel
Fuel Capacity
470 gal / 1,779 l

Accomodations

Water Capacity
523 gal / 1,980 l
Holding Tank Capacity
?
Headroom
?

Calculations

Hull Speed
8.21 knots
Sail Area/Displacement
12.95
under powered
Ballast/Displacement
28.57
less stiff, less powerful
Displacement/Length
431.12
ultraheavy
Comfort Ratio
51.09
extremely heavy bluewater boat
Capsize Screening
1.63
better suited for ocean passages

Notes

Also called SWAN 50 MS.
Molds were later sold to Siltala Yachts that built a modified version called the NAUTICAL 52.


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