Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Fin with rudder on skeg
Rigging Type: Masthead Sloop
LOA: 26.00 ft / 7.92 m
LWL: 19.25 ft / 5.87 m
S.A. (reported): 287.00 ft² / 26.66 m²
Beam: 8.50 ft / 2.59 m
Displacement: 5,255.00 lb / 2,384 kg
Max Draft: 4.75 ft / 1.45 m
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 / 9.91 m
J: 10.00 ft / 3.05 m
P: 28.50 ft / 8.69 m
E: 8.75 ft / 2.67 m
S.A. Fore: 162.50 ft² / 15.10 m²
S.A. Main: 124.69 ft² / 11.58 m²
S.A. Total (100% Fore + Main Triangles): 287.19 ft² / 26.68 m²
S.A./Displ. (calc.): 15.25
Est. Forestay Length: 34.00 ft / 10.36 m

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.