IMPULSE 21
Hull
Fin with spade rudder
Rigging
Fractional Sloop
LOA
21 ft i.e. 6.4 m
LWL
18.5 ft i.e. 5.64 m
Sail Area
208 ft² i.e. 19.32 m²
Beam
8 ft i.e. 2.44 m
Displacement
1300 lb i.e. 590 kg
Ballast
600 lb i.e. 272 kg
Max Draft
3.25 ft i.e. 0.99 m
Construction
Fiberglass
Ballast Type
N/A
First Built
1986
Last Built
150
Maker
N/A
Design
William Cook
Make
N/A
Type
N/A
Fuel
N/A
Water
N/A
Headroom
N/A
Blue Water Value
-0.96
S.A. / Displ.
28
Bal. / Displ.
46.15
Displ. / Length
91.66
Comfort Ratio
6.54
Capsize Screening Formula
2.94
Hull Speed
5.76 kt
Pounds/Inch Immersion
528.82 pounds/inch
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