7.17 x 2.25 m
Length x beam
ROCK 20
1 listing available
Model Specifications
1.2 m
Draft
1,750 kg
Displacement
20
Comfort Ratio
Boat identity
info_outlineModel
ROCK 20
info_outlineBuilder
Birka Marine
info_outlineBuilder Country
FIN
info_outlineHull Type
Monohull
info_outlineKeel Type
Fin
info_outlineRudder Type
Skeg
info_outlineUnits Built
200
Dimensions & weight
timelineWaterline Length
5.95 m
Rig & sails
info_outlineRig Type
Masthead Sloop
Performance ratios
info_outlineSail Area Displacement
14.15
info_outlineCapsize Screening
1.88
Additional details
info_outlineBuild Year From
1,968
info_outlineBuild Year To
1,975
info_outlineHull Description
Fin with rudder on skeg
info_outlineRig Configuration
masthead-sloop
Source Information
sailboatdata.com