Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Fin with rudder on skeg
Rigging Type: Masthead Sloop
LOA: 11.98 m
LWL: 8.70 m
S.A. (reported): 65.87 m²
Beam: 3.30 m
Displacement: 8,618 kg
Ballast: 3,583 kg
Max Draft: 2.04 m
Construction: FG
Ballast Type: Lead
First Built: 1970
Builder: Nautor/Palmer Johnson
Designer: Sparkman & Stephens

Auxiliary Power/Tanks (orig. equip.)

Make: Volvo Penta
Type: Diesel

Sailboat Calculations

Definitions
S.A. / Displ.: 15.99
Bal. / Displ.: 41.58
Disp: / Len: 364.87
Comfort Ratio: 38.71
Capsize Screening Formula: 1.63
S#: 1.26
Hull Speed: 7.16 kn
Pounds/Inch Immersion: 1,104.41 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

HELP
I: 14.95 m
J: 4.83 m
P: 13.42 m
E: 4.43 m
S.A. Fore: 36.08 m²
S.A. Main: 29.74 m²
S.A. Total (100% Fore + Main Triangles): 65.83 m²
S.A./Displ. (calc.): 15.98
Est. Forestay Length: 15.71 m

Sailboat Links

Designers: Sparkman & Stephens
Builders: Palmer Johnson (USA)
Related Sailboats: SWAN 40 (S&S)
Download Boat Record:

Notes

S&S design #2025. Same as the first SWAN 40. A centerboard version was also available. (S&S #2025.1)
Eventually Nautor decided to no longer have their yachts sold through Palmer Johnson, and returned to the practice of offering the boats exclusively as Swans.