RK 21

RK 21 drawing

Sailboat Specifications


Hull Type:
Swing keel w/outboard rudder
Rigging Type:
Masthead Sloop
LOA:
21.00 ft / 6.40 m
LWL:
18.25 ft / 5.56 m
Beam:
7.92 ft / 2.41 m
S.A. (reported):
206.00 ft2 / 19.14 m2
Draft (max):
4.58 ft / 1.40 m
Draft (min):
1.00 ft / 0.30 m
Displacement:
2,000 lb / 907 kg
Ballast:
665 lb / 302 kg
S.A./Disp.:
20.81
Bal./Disp.:
33.25
Disp./Len.:
146.89
Construction:
FG
First Built:
1972
Builder:
RK Industries (USA)
Designer:
Peter Barrett

Sailboat Calculations

S.A./Disp.:
20.81
Bal./Disp.:
33.25
Disp./Len.:
146.89
Comfort Ratio:
10.29
Capsize Screening Formula:
2.52

Rig and Sail Particulars

Mast Height from DWL:
28.00 ft / 8.53 m

Notes

RK Industries was a subsidiary of Coastal Recreation.

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