Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Fin w/transom hung rudder
Rigging Type: Masthead Sloop
LOA: 21.25 ft / 6.48 m
LWL: 18.60 ft / 5.67 m
S.A. (reported): 245.00 ft² / 22.76 m²
Beam: 8.16 ft / 2.49 m
Displacement: 2,868.00 lb / 1,301 kg
Ballast: 800.00 lb / 363 kg
Max Draft: 4.00 ft / 1.22 m
Construction: FG
First Built: 1976
Builder: Alpa (ITA)
Designer: Sparkman & Stephens

KLSC Leaderboard

KLSC Leaderboard

Sailboat Calculations

Definitions
S.A. / Displ.: 19.47
Bal. / Displ.: 27.89
Disp: / Len: 198.97
Comfort Ratio: 13.95
Capsize Screening Formula: 2.30
S#: 3.00
Hull Speed: 5.78 kn
Pounds/Inch Immersion: 542.31 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

HELP
I: 30.00 ft / 9.14 m
J: 8.55 ft / 2.61 m
P: 26.00 ft / 7.92 m
E: 9.00 ft / 2.74 m
S.A. Fore: 128.25 ft² / 11.91 m²
S.A. Main: 117.00 ft² / 10.87 m²
S.A. Total (100% Fore + Main Triangles): 245.25 ft² / 22.78 m²
S.A./Displ. (calc.): 19.49
Est. Forestay Length: 31.19 ft / 9.51 m

Sailboat Links

Designers: Sparkman & Stephens
Builders: Alpa Yachts (ITA)
Download Boat Record:

Notes

S&S design #2204.