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Sailboat Guide

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Achilles 840

built since 1979

drawing

Related Sailboats

Builder
Butler Mouldings Ltd.
Designer
Chris Butler
Hull Type
Fin with rudder on skeg
Construction
FG/balsa core deck

Dimensions

LOA
27.75 ft8.46 m
LWL
24.25 ft7.39 m
Beam
9.00 ft2.74 m
Draft
5.00 ft1.52 m
Displacement
5,500 lb2,495 kg
Ballast
2,505 lb1,136 kg
Ballast Type
Iron

Rig and sails

Type
Masthead Sloop
Reported Sail Area
354.00 ft232.89 m2
Total Sail Area
353.57 ft232.85 m2

Mainsail

Sail Area
151.13 ft214.04 m2
P
31.00 ft9.45 m
E
9.75 ft2.97 m
Mast Height
?

Foresail

Sail Area
202.44 ft218.81 m2
I
35.33 ft10.77 m
J
11.46 ft3.49 m
Est. Forestay Len.
37.14 ft11.32 m

Mizzen

PY
EY

Calculations

Hull Speed
6.6 knots
Sail Area/Displacement
18.18
good performance
Ballast/Displacement
45.55
stiffer, more powerful
Displacement/Length
172.18
light
Comfort Ratio
17.88
lightweight racing boat
Capsize Screening Formula
2.04
better suited for coastal cruising

Auxilary Power

Make
Volvo
Model
2001
Type
Diesel
HP
9.5
Fuel Capacity
26 gals98 L

Accomodations

Water Capacity
18 gals68 L

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