EXPLORER 21 (HELSEN)
Hull
Swing Keel
Rigging
Masthead Sloop
LOA
21.5 ft i.e. 6.55 m
LWL
17.33 ft i.e. 5.28 m
Sail Area
175 ft² i.e. 16.26 m²
Beam
7.33 ft i.e. 2.23 m
Displacement
1750 lb i.e. 794 kg
Ballast
200 lb i.e. 91 kg
Max Draft
4 ft i.e. 1.22 m
Construction
Fiberglass
Ballast Type
N/A
First Built
1977
Last Built
N/A
Maker
N/A
Design
Helsen
Make
N/A
Type
N/A
Fuel
N/A
Water
N/A
Headroom
N/A
Blue Water Value
-0.71
S.A. / Displ.
19.32
Bal. / Displ.
11.43
Displ. / Length
150.1
Comfort Ratio
10.24
Capsize Screening Formula
2.44
Hull Speed
5.58 kt
Pounds/Inch Immersion
453.89 pounds/inch
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