VIPER 640 Sailboat Data
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
Other Data
Information from sailboatdata.com.
Hull Speed: 5.85 kn
