Castle 550

1980 — 1995
Designer
Steven Douglas
Builder
Yachtworks (AUS)
Associations
?
# Built
120
Hull
Monohull
Keel
Lifting
Rudder
?
Construction
FG

Dimensions

Length Overall
18 0 / 5.5 m
Waterline Length
16 0 / 4.9 m
Beam
7 10 / 2.4 m
Draft
?
Displacement
1,100 lb / 500 kg
Ballast
400 lb / 180 kg

Rig and Sails

Type
Sloop
Reported Sail Area
?
Total Sail Area
?
Mainsail
Sail Area
?
P
?
E
?
Mast Height
?
Foresail
Sail Area
?
I
?
J
?
Forestay Length
?

Auxilary Power

Make
?
Model
?
HP
?
Fuel Type
?
Fuel Capacity
?

Accomodations

Water Capacity
?
Holding Tank Capacity
?
Headroom
?
Cabins
?

Calculations

Hull Speed
5.36 knots
Sail Area/Displacement
?
Ballast/Displacement
36.03
less stiff, less powerful
Displacement/Length
120.11
light
Comfort Ratio
6.57
lightweight racing boat
Capsize Screening
3.03
better suited for coastal cruising

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