Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Fin with rudder on skeg
Rigging Type: Masthead Sloop
LOA: 26.00 ft
LWL: 19.25 ft
S.A. (reported): 287.00 ft²
Beam: 8.50 ft
Displacement: 5,255.00 lb
Max Draft: 4.75 ft
Construction: FG
First Built: 1971
Builder: South Hants Marine (UK)
Designer: Sparkman & Stephens

KLSC Leaderboard

KLSC Leaderboard

Sailboat Calculations

Definitions
S.A. / Displ.: 15.24
Disp: / Len: 328.88
Comfort Ratio: 22.06
Capsize Screening Formula: 1.96
S#: 1.42
Hull Speed: 5.88 kn
Pounds/Inch Immersion: 584.65 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

HELP
I: 32.50 ft
J: 10.00 ft
P: 28.50 ft
E: 8.75 ft
S.A. Fore: 162.50 ft²
S.A. Main: 124.69 ft²
S.A. Total (100% Fore + Main Triangles): 287.19 ft²
S.A./Displ. (calc.): 15.25
Est. Forestay Length: 34.00 ft

Sailboat Links

Designers: Sparkman & Stephens
Builders: South Hants Engineering
Associations: Quarter Ton Class
Related Sailboats: S&S 26
YANKEE 26
Download Boat Record:

Notes

S&S design #2065. Designed as a 1/4 ton level rater (IOR Mk III). Similar to the S&S 26 and YANKEE 26.