Beta Marine

Beta Marine

Sailboat Specifications

Definitions
Hull Type: Lifting Keel
Rigging Type: Fractional Sloop
LOA: 21.08 ft / 6.43 m
LWL: 19.08 ft / 5.82 m
S.A. (reported): 252.00 ft² / 23.41 m²
Beam: 8.17 ft / 2.49 m
Displacement: 700.00 lb / 318 kg
Ballast: 185.00 lb / 84 kg
Max Draft: 4.83 ft / 1.47 m
Min Draft: 1.83 ft / 0.56 m
Construction: FG
First Built: 1996
# Built: 400
Builder: Viper Boats (USA)/Rondar (UK)
Designer: Brian Bennett

KLSC Leaderboard

KLSC Leaderboard

Sailboat Calculations

Definitions
S.A. / Displ.: 51.22
Bal. / Displ.: 26.43
Disp: / Len: 44.99
Comfort Ratio: 3.35
Capsize Screening Formula: 3.68
S#: 10.03
Hull Speed: 5.85 kn
Pounds/Inch Immersion: 556.99 pounds/inch

calculation mobile

2 nd ad half width

3rd ad full width

Rig and Sail Particulars

HELP
I: 21.67 ft / 6.61 m
J: 8.33 ft / 2.54 m
P: 25.62 ft / 7.81 m
E: 10.00 ft / 3.05 m
S.A. Fore: 90.26 ft² / 8.39 m²
S.A. Main: 128.10 ft² / 11.90 m²
S.A. Total (100% Fore + Main Triangles): 218.36 ft² / 20.29 m²
S.A./Displ. (calc.): 44.39
Est. Forestay Length: 23.22 ft / 7.08 m

Sailboat Links

Designers: Brian Bennett
Builders: Rondar Raceboats
Associations: Viper 640 Class Website
Download Boat Record:

Notes

Rondar Raceboats was appointed the class builder in 2005.
Asym. spin. area 425 sf.
Keel is fastened with 2 bolts while sailing. Can be raised for trailering and launched in 2 feet of water. .
2 piece carbon spar.