Swan 48-S&S

1971 — 1975
Designer
Sparkman & Stephens
Builder
Nautor (Swan sailboats)
Associations
?
# Built
46
Hull Type
Fin with rudder on skeg
Construction
FG

Dimensions

Length Overall
47 10 / 14.6 m
Waterline Length
37 3 / 11.4 m
Beam
13 7 / 4.2 m
Draft
7 8 / 2.4 m
Displacement
36,000 lbs / 16,329 kg
Ballast
14,100 lbs / 6,396 kg (Lead)
drawing

Rig and Sails

Type
Masthead Sloop
Reported Sail Area
1,032 ft2 / 95.9 m2
Total Sail Area
1,032 ft2 / 95.9 m2
Mainsail
Sail Area
432 ft2 / 40.1 m2
P
54 0 / 16.5 m
E
16 0 / 4.9 m
Mast Height
?
Foresail
Sail Area
600 ft2 / 55.7 m2
I
60 0 / 18.3 m
J
20 0 / 6.1 m
Forestay Length
63 3 / 19.3 m

Auxilary Power

Make
Volvo Penta
Model
MD21A
HP
36
Fuel Type
Diesel
Fuel Capacity
55 gal / 208 l

Accomodations

Water Capacity
90 gal / 341 l
Holding Tank Capacity
?
Headroom
?

Calculations

Hull Speed
8.18 knots
Sail Area/Displacement
15.14
under powered
Ballast/Displacement
39.17
less stiff, less powerful
Displacement/Length
310.19
heavy
Comfort Ratio
42.2
heavy bluewater boat
Capsize Screening
1.65
better suited for ocean passages

Notes

S&S design #2079.
One version has an extended/traditional counter. (SWAN 50 - S&S #2079.1)
Available as sloop or ketch and taller rig.
TALL RIG:
I: 62.5’
J: 20.0’
P: 56.5’
E: 15.5’
Also sold in the US by Palmer Johnson as the PALMER JOHNSON 48/50. (S&S #2079.2 though these yacht were delivered from original builder in ‘sail away’ condition.)
(Dimensions vary slightly from one rendering to another.)
At least one boat was built to this same design, (of teak) by Sangermani of Italy.


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