Westerly

Discus 33

Monohull

1979–1984

Length
10.14 m
Beam
3.4 m
Draft
1.66 m
Sail area
48.88 m²

Specifications

30 specifications
Dimensions & displacement7
Length overall
10.14 m
Waterline length
8.68 m
Beam
3.4 m
Draft
1.66 m
Displacement
6,848 kg
Ballast
2,743 kg
Mast height above water
12.34 m
Sails & rig2
Rig type
Sloop, masthead rig
Sail area
48.88 m²
Engine & propulsion4
Engine power
42 hp
Engine type
Diesel
Engine make
Mercedes
Engine model
OM 636
Hull & construction3
Hull material
Fibreglass
Keel type
Fin keel, rudder on partial skeg
Ballast material
Cast iron
Tanks2
Fuel tank
132 L
Fresh water tank
170 L
Production & design5
Production started
1979
Production ended
1984
Hulls built
300
Builder
Westerly Yachts Ltd.
Designer
Laurent Giles
Performance ratios7
Sail area / displacement
13.83
Displacement / length
291.76
Ballast / displacement
40.1 %
Comfort ratio
31.38
Capsize screening
1.81
Hull speed
7.15 kn
Load per cm of immersion
202.8 kg/cm

Yacht photography

1

Years, generations and variants

Discus 331 generation

01

1979–1984

Discus 33

Discontinued