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ACHILLES 840
Built by Butler Achilles Ltd (UK)
• Designed by Chris Butler
General Information
Hull Type:
Fin with rudder on skeg
Rigging Type:
Masthead Sloop
Construction:
FG/balsa core deck
First Built:
1979
Dimensions
Length Overall (LOA):
8.46 m
Length Waterline (LWL):
7.39 m
Beam:
2.74 m
Draft (Max):
1.52 m
Weight & Ballast
Displacement:
2,495 kg
Ballast:
1,136 kg
Ballast Type:
Iron
Sail Plan
Foresail Area:
18.81 m²
Mainsail Area:
14.04 m²
Total Sail Area (calculated):
32.85 m²
Sail Area (reported):
32.89 m²
I (Fore Triangle Height):
10.77 m
J (Fore Triangle Base):
3.49 m
P (Mainsail Hoist):
9.45 m
E (Boom Length):
2.97 m
Engine & Systems
Engine Make:
Volvo
Engine Type:
Diesel
Engine Model:
2001
Engine Power:
9.5 HP
Fuel Capacity:
98 L
Water Capacity:
68 L
Performance Ratios
Hull Speed:
6.60 knots
SA/Displacement (Calculated):
17.86
SA/Displacement (Reported):
18.23
Ballast/Disp Ratio:
45.55%
Displacement/Length:
172.18
Comfort Ratio:
18.00
Capsize Screening:
2.04
S-Number:
3.21
Notes
Available bilge/twin or triple keels.