Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Fin w/spade rudder
Rigging Type: Masthead Sloop
LOA: 39.30 ft / 11.98 m
LWL: 31.50 ft / 9.60 m
S.A. (reported): 761.00 ft² / 70.70 m²
Beam: 12.50 ft / 3.81 m
Displacement: 18,000.00 lb / 8,165 kg
Ballast: 7,900.00 lb / 3,583 kg
Max Draft: 7.20 ft / 2.19 m
Construction: FG
Ballast Type: Lead
First Built: 1978
Last Built: 1980
# Built: 33
Builder: Nautor
Designer: Ron Holland

Auxiliary Power/Tanks (orig. equip.)

Make: Perkins
Model: 4-108
Type: Diesel
Fuel: 32 gals / 121 L

Accomodations

Water: 80 gals / 303 L

Sailboat Calculations

Definitions
S.A. / Displ.: 17.79
Bal. / Displ.: 43.89
Disp: / Len: 257.09
Comfort Ratio: 28.45
Capsize Screening Formula: 1.91
S#: 2.18
Hull Speed: 7.52 kn
Pounds/Inch Immersion: 1,406.91 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

HELP
I: 54.00 ft / 16.46 m
J: 16.50 ft / 5.03 m
P: 47.50 ft / 14.48 m
E: 13.30 ft / 4.05 m
S.A. Fore: 445.50 ft² / 41.39 m²
S.A. Main: 315.88 ft² / 29.35 m²
S.A. Total (100% Fore + Main Triangles): 761.38 ft² / 70.73 m²
S.A./Displ. (calc.): 17.80
Est. Forestay Length: 56.46 ft / 17.21 m

Sailboat Links

Designers: Ron Holland
Builders: Nautor (Swan sailboats)
Related Sailboats: SWAN 391
Download Boat Record:

Notes

Based on 'IMP'(1977), one of the most succesful IOR racers of its day.
Available in a racing (12 built) or cruising (21 built)version.