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Sailboat Guide

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Sailboat

Achilles 9M

1975 — 1984
Designer
Chris Butler
Builder
Butler Mouldings Ltd.
Hull Type
Fin with rudder on skeg
Construction
FG
Associations
Achilles Yachts Owners Assoc.

Dimensions

Length Overall
29.83 ft / 9.09 m
Waterline Length
25.42 ft / 7.75 m
Beam
9.00 ft / 2.74 m
Draft
5.50 ft / 1.68 m
Displacement
7,000 lb / 3,175 kg
Ballast
2,998 lb / 1,360 kg (Iron)
drawing

Rig and Sails

Type
Masthead Sloop
Reported Sail Area
354.00 ft2 / 32.89 m2
Total Sail Area
353.57 ft2 / 32.85 m2
Mainsail
Sail Area
151.13 ft2 / 14.04 m2
P
31.00 ft / 9.45 m
E
9.75 ft / 2.97 m
Mast Height
Foresail
Sail Area
202.44 ft2 / 18.81 m2
I
35.33 ft / 10.77 m
J
11.46 ft / 3.49 m
Est. Forestay Len.
37.14 ft / 11.32 m

Spinnaker

SPL/TPS
ISP

Auxilary Power

Make
Volvo Penta
Model
?
HP
?
Type
Diesel
Fuel Capacity
15 gals / 57 L

Accomodations

Water Capacity
30 gals / 114 L
Holding Tank Capacity
?
Headroom
?

Calculations

Hull Speed
6.76 knots
Sail Area/Displacement
15.48
under powered
Ballast/Displacement
42.83
stiffer, more powerful
Displacement/Length
190.25
light
Comfort Ratio
21.53
coastal cruiser
Capsize Screening
1.88
better suited for ocean passages

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