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ALPA A9
Built by Alpa (ITA)
• Designed by Illingworth & Associates
General Information
Hull Type:
Fin Keel
Rigging Type:
Masthead Sloop
Construction:
FG
First Built:
1967
Last Built:
1970
Dimensions
Length Overall (LOA):
9.09 m
Length Waterline (LWL):
6.70 m
Beam:
2.70 m
Draft (Max):
1.60 m
Weight & Ballast
Displacement:
3,900 kg
Ballast:
1,650 kg
Sail Plan
Foresail Area:
16.73 m²
Mainsail Area:
16.11 m²
Total Sail Area (calculated):
32.84 m²
Sail Area (reported):
32.89 m²
I (Fore Triangle Height):
10.98 m
J (Fore Triangle Base):
3.05 m
P (Mainsail Hoist):
9.48 m
E (Boom Length):
3.40 m
Engine & Systems
Engine Make:
Farymann
Engine Type:
Diesel
Engine Power:
20 HP
Fuel Capacity:
87 L
Performance Ratios
Hull Speed:
6.28 knots
SA/Displacement (Calculated):
13.25
SA/Displacement (Reported):
13.54
Ballast/Disp Ratio:
42.31%
Displacement/Length:
361.47
Comfort Ratio:
29.87
Capsize Screening:
1.73
S-Number:
1.12
Notes
Dimensions from original builders brochure.