SWAN 55-S&S-1970

SWAN 55-S&S-1970

Beta Marine

Beta Marine

Sailboat Specifications

Hull Type: Fin with rudder on skeg
Rigging Type: Masthead Sloop
LOA: 16.65 m
LWL: 11.73 m
S.A. (reported): 118.64 m²
Beam: 4.33 m
Displacement: 20,684 kg
Ballast: 7,711 kg
Max Draft: 2.44 m
Construction: FG
Ballast Type: Lead
First Built: 1970
Last Built: 1974
# Built: 16
Builder: Nautor
Designer: Sparkman & Stephens

KLSC Leaderboard

KLSC Leaderboard

Auxiliary Power/Tanks (orig. equip.)

Make: Volvo Penta
Model: MD 21 A
Type: Diesel
HP: 61
Fuel: 303 L


Water: 473 L

Sailboat Calculations

S.A. / Displ.: 16.08
Bal. / Displ.: 37.28
Disp: / Len: 357.28
Comfort Ratio: 47.46
Capsize Screening Formula: 1.59
S#: 1.30
Hull Speed: 8.31 kn
Pounds/Inch Immersion: 1,953.78 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

I: 19.20 m
J: 6.71 m
P: 17.37 m
E: 6.25 m
S.A. Fore: 64.38 m²
S.A. Main: 54.28 m²
S.A. Total (100% Fore + Main Triangles): 118.66 m²
S.A./Displ. (calc.): 16.08
Est. Forestay Length: 20.34 m

Sailboat Links

Designers: Sparkman & Stephens
Builders: Nautor (Swan sailboats)
Related Sailboats: SWAN 55-S&S-1970 YAWL
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Originally sold as PALMER JOHNSON 53. With a traditional counter and yawl rig, it is called the SWAN 55.