Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Fin w/transom hung rudder
Rigging Type: Fractional Sloop
LOA: 23.00 ft / 7.01 m
LWL: 18.06 ft / 5.50 m
S.A. (reported): 258.00 ft² / 23.97 m²
Beam: 6.75 ft / 2.06 m
Displacement: 5,000.00 lb / 2,268 kg
Ballast: 2,000.00 lb / 907 kg
Max Draft: 3.50 ft / 1.07 m
Construction: Wood
Ballast Type: Iron
First Built: 1933
# Built: 69
Builder: Manuel Nunes & Sons (USA)
Designer: Manuel Nunes & Sons

Sailboat Calculations

Definitions
S.A. / Displ.: 14.16
Bal. / Displ.: 40.00
Disp: / Len: 378.94
Comfort Ratio: 31.05
Capsize Screening Formula: 1.58
S#: 1.07
Hull Speed: 5.69 kn
Pounds/Inch Immersion: 435.58 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

HELP
I: 21.60 ft / 6.58 m
J: 7.33 ft / 2.23 m
P: 27.50 ft / 8.38 m
E: 13.00 ft / 3.96 m
S.A. Fore: 79.16 ft² / 7.35 m²
S.A. Main: 178.75 ft² / 16.61 m²
S.A. Total (100% Fore + Main Triangles): 257.91 ft² / 23.96 m²
S.A./Displ. (calc.): 14.15
Est. Forestay Length: 22.81 ft / 6.95 m

Sailboat Links

Associations: Bear Class (USA)
Download Boat Record:

Notes

In 1937 the Nunes company offered the plans for amateur builders or were sold in various stages of construction.
Inquiries: info@bearboats.com