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SOUTH COAST 21
Built by South Coast Seacraft Co. (USA)
• Designed by Carl Alberg
Market Value
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General Information
Hull Type:
Fin Keel
Rigging Type:
Fractional Sloop
Construction:
FG
First Built:
1965
Number Built:
300
Dimensions
Length Overall (LOA):
6.40 m
Length Waterline (LWL):
4.37 m
Beam:
2.11 m
Draft (Max):
0.91 m
Weight & Ballast
Displacement:
907 kg
Ballast:
283 kg
Sail Plan
Foresail Area:
7.46 m²
Mainsail Area:
11.71 m²
Total Sail Area (calculated):
19.17 m²
Sail Area (reported):
19.14 m²
I (Fore Triangle Height):
6.71 m
J (Fore Triangle Base):
2.23 m
P (Mainsail Hoist):
7.32 m
E (Boom Length):
3.20 m
Engine & Systems
Performance Ratios
Hull Speed:
5.07 knots
SA/Displacement (Calculated):
20.46
SA/Displacement (Reported):
20.81
Ballast/Disp Ratio:
31.25%
Displacement/Length:
303.42
Comfort Ratio:
14.38
Capsize Screening:
2.20
S-Number:
1.99
Notes
A number of changes were made during the production run of the SOUTH COAST 21. The keel was moved a few inches back in boats with hull numbers greater than 90 to reduce weather helm. When it was found that this did not completely solve the problem, the rudder was made larger.