FOUR 21
Hull
Twin Keel
Rigging
Masthead Sloop
LOA
21.5 ft i.e. 6.55 m
LWL
19.5 ft i.e. 5.94 m
Sail Area
N/A
Beam
7.25 ft i.e. 2.21 m
Displacement
3584 lb i.e. 1626 kg
Ballast
1125 lb i.e. 510 kg
Max Draft
2.5 ft i.e. 0.76 m
Construction
Fiberglass
Ballast Type
N/A
First Built
1964
Last Built
N/A
Maker
N/A
Design
John Powell
Make
N/A
Type
N/A
Fuel
N/A
Water
N/A
Headroom
N/A
Blue Water Value
-0.51
S.A. / Displ.
N/A
Bal. / Displ.
31.39
Displ. / Length
215.78
Comfort Ratio
19.68
Capsize Screening Formula
1.9
Hull Speed
5.92 kt
Pounds/Inch Immersion
505.15 pounds/inch
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