O'Day

O’Day 20

Monohull

1973–1979

Length
5.97 m
Beam
2.13 m
Draft
1.19 m
Sail area
17.65 m²

Specifications

30 specifications
Dimensions & displacement8
Length overall
5.97 m
Waterline length
5.26 m
Beam
2.13 m
Draft
1.19 m
Minimum draft
0.36 m
Displacement
1,066 kg
Ballast
181 kg
Mast height above water
9.45 m
Sails & rig9
Rig type
Sloop, masthead rig
Sail area
17.65 m²
Mainsail area
7.62 m²
Foresail area
8.62 m²
Foretriangle height (I)
7.25 m
Foretriangle base (J)
2.38 m
Mainsail luff (P)
6.25 m
Mainsail foot (E)
2.44 m
Forestay length
7.64 m
Hull & construction3
Hull material
Fibreglass
Keel type
Keel with centreboard
Ballast material
Lead
Production & design4
Production started
1973
Production ended
1979
Hulls built
949
Designer
C.Raymond Hunt Associates
Performance ratios6
Sail area / displacement
17.24
Displacement / length
204.39
Ballast / displacement
17 %
Comfort ratio
15.14
Capsize screening
2.11
Hull speed
5.57 kn

Yacht photography

2

Years, generations and variants

O’Day 201 generation

01

1973–1979

O’DAY 20

Discontinued