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BALBOA 20
Built by Arthur Marine/Coastal Recreation, Inc. (USA)
• Designed by Lyle C. Hess/Richard Arthur
General Information
Hull Type:
Swing Keel
Rigging Type:
Fractional Sloop
Construction:
FG
First Built:
1967
Dimensions
Length Overall (LOA):
6.10 m
Length Waterline (LWL):
5.33 m
Beam:
2.16 m
Draft (Max):
1.35 m
Draft (Min):
0.48 m
Weight & Ballast
Displacement:
771 kg
Ballast:
204 kg
Sail Plan
Foresail Area:
8.46 m²
Mainsail Area:
8.49 m²
Total Sail Area (calculated):
16.95 m²
Sail Area (reported):
16.17 m²
I (Fore Triangle Height):
6.31 m
J (Fore Triangle Base):
2.68 m
P (Mainsail Hoist):
6.40 m
E (Boom Length):
2.65 m
Engine & Systems
Performance Ratios
Hull Speed:
5.61 knots
SA/Displacement (Calculated):
20.16
SA/Displacement (Reported):
19.59
Ballast/Disp Ratio:
26.47%
Displacement/Length:
141.61
Comfort Ratio:
10.61
Capsize Screening:
2.38
S-Number:
4.00
Notes
A raised deck version was the ENSENADA 20. A fixed keel version was also available.