Westerly

Sealord 39

Monohull

1983–1987

Length
11.73 m
Beam
4.01 m
Draft
1.68 m
Sail area
65.03 m²

Specifications

28 specifications
Dimensions & displacement6
Length overall
11.73 m
Waterline length
9.91 m
Beam
4.01 m
Draft
1.68 m
Displacement
8,392 kg
Ballast
3,629 kg
Sails & rig2
Rig type
Sloop, masthead rig
Sail area
65.03 m²
Engine & propulsion4
Engine power
36 hp
Engine type
Diesel
Engine make
Volvo
Engine model
MD17D
Hull & construction2
Hull material
Fibreglass
Keel type
Fin keel, spade rudder
Tanks2
Fuel tank
170 L
Fresh water tank
379 L
Production & design5
Production started
1983
Production ended
1987
Hulls built
42
Builder
Westerly Yachts Ltd.
Designer
Ed Dubois
Performance ratios7
Sail area / displacement
16.07
Displacement / length
240.6
Ballast / displacement
43.2 %
Comfort ratio
26.91
Capsize screening
2
Hull speed
7.64 kn
Load per cm of immersion
273.1 kg/cm

Yacht photography

1

Years, generations and variants

Sealord 391 generation

01

1983–1987

Sealord 39

Discontinued