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: 54.63 ft
LWL: 38.48 ft
S.A. (reported): 1,277.00 ft²
Beam: 14.21 ft
Displacement: 45,600.00 lb
Ballast: 17,000.00 lb
Max Draft: 8.00 ft
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: 80 gals


Water: 125 gals

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: 63.00 ft
J: 22.00 ft
P: 57.00 ft
E: 20.50 ft
S.A. Fore: 693.00 ft²
S.A. Main: 584.25 ft²
S.A. Total (100% Fore + Main Triangles): 1,277.25 ft²
S.A./Displ. (calc.): 16.08
Est. Forestay Length: 66.73 ft

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.