Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Fin with rudder on skeg
Rigging Type: Masthead Sloop
LOA: 50.17 ft
LWL: 37.28 ft
S.A. (reported): 1,032.00 ft²
Beam: 13.60 ft
Displacement: 36,000.00 lb
Ballast: 14,100.00 lb
Max Draft: 7.74 ft
Construction: FG
Ballast Type: Lead
First Built: 1971
Last Built: 1975
Builder: Nautor
Designer: Sparkman & Stephens

Auxiliary Power/Tanks (orig. equip.)

Make: Volvo Penta
Model: MD21A
Type: Diesel
HP: 61
Fuel: 57 gals

Accomodations

Water: 88 gals

Sailboat Calculations

Definitions
S.A. / Displ.: 15.21
Bal. / Displ.: 39.17
Disp: / Len: 310.19
Comfort Ratio: 41.83
Capsize Screening Formula: 1.65
S#: 1.54
Hull Speed: 8.18 kn
Pounds/Inch Immersion: 1,811.60 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

HELP
I: 60.00 ft
J: 20.00 ft
P: 54.00 ft
E: 16.00 ft
S.A. Fore: 600.00 ft²
S.A. Main: 432.00 ft²
S.A. Total (100% Fore + Main Triangles): 1,032.00 ft²
S.A./Displ. (calc.): 15.21
Est. Forestay Length: 63.25 ft

Sailboat Links

Designers: Sparkman & Stephens
Builders: Nautor (Swan sailboats)
Related Sailboats: SWAN 48 - S&S
Download Boat Record:

Notes

(S&S design #2079.1) Same hull as the SWAN 48 (S&S #2079) but with a traditional/extended counter.
Available as sloop or yawl.
A similar model was sold in the US by Palmer Johnson as the PJ-48/50(S&S #2079.2).
See SWAN 48-S&S.