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ACHILLES 9M built by Butler Mouldings Ltd. (UK) and designed by Chris Butler. Her first hull was built in 1975 with an overall lengh of 9.09 m or 29.83 ft long

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ACHILLES 9M Sailboat Specifications​


Overall Length (LOA) m / ft9.09 m / 29.83 ft
Builder(s)Butler Moldings Ltd
Designer(s)Chris Butler
CountryUnited Kingdom
Hull TypeFin with rudder on skeg
Number of Hulls Built100
First Hull Built1975
Last Hull Built1984
Ballast TypeIron
Rigging TypeMasthead Sloop
Freshwater Tank Capacity lt/gal114 L / 30 gal
Ballast Ratio42.83


Overall Length (LOA) 9.09 m / 29.83 ft
Waterline Length (LWL)7.75 m / 25.42 ft
Beam (width)2.74 m / 9.00 ft
Draft1.68 m / 5.50 ft
Light Displacement (MLC) 3175 kg / 7000 lb
Maximum Displacement3175 kg / 7000 lb
Ballast Weight1360 kg / 2998 lb


Capsize Screening Formula (CSF)1.88
Comfort Ratio21.67
Displacement-Length Ratio (DLR)190.25
Ballast Ratio42.83
Sail Area to Displacement15.53

Above Deck

Estimated Forestay Length11.32 m / 37.14 ft
Reported Sail Area32.89 m² / 354.00 ft²
Total Sail Area32.85 m² / 353.57 ft²
Mainsail Area14.04 m² / 151.13 ft²
I35.33 ft * 10.77 m
J11.46 ft * 3.49 m
P31.00 ft * 9.45 m
E9.75 ft * 2.97 m
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