RK 21
Hull
Swing keel with outboard rudder
Rigging
Masthead Sloop
LOA
21 ft i.e. 6,4 m
LWL
18,25 ft i.e. 5,56 m
Sail Area
206 ft² i.e. 19,14 m²
Beam
7,92 ft i.e. 2,41 m
Displacement
2000 lb i.e. 907 kg
Ballast
665 lb i.e. 302 kg
Max Draft
4,58 ft i.e. 1,4 m
Construction
Fiberglass
Ballast Type
N/A
First Built
1972
Last Built
N/A
Maker
N/A
Design
Peter Barrett
Make
N/A
Type
N/A
Fuel
N/A
Water
N/A
Headroom
N/A
Blue Water Surf Value
-0,72
S.A. / Displ.
20,81
Bal. / Displ.
33,25
Displ. / Length
146,89
Comfort Ratio
10,29
Capsize Screening Formula
2,52
Hull Speed
5,72 kt
Pounds/Inch Immersion
516,46 pounds/inch
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