- Length
- 9.63 m
- Beam
- 3.2 m
- Draft
- 2.16 m
- Sail area
- 43.66 m²
Specifications
Dimensions & displacement7
- Length overall
- 9.63 m
- Waterline length
- 8.32 m
- Beam
- 3.2 m
- Draft
- 2.16 m
- Minimum draft
- 1.01 m
- Displacement
- 4,990 kg
- Ballast
- 1,601 kg
Sails & rig9
- Rig type
- Sloop, masthead rig
- Sail area
- 43.66 m²
- Mainsail area
- 20.53 m²
- Foresail area
- 23.1 m²
- Foretriangle height (I)
- 11.89 m
- Foretriangle base (J)
- 3.89 m
- Mainsail luff (P)
- 10.36 m
- Mainsail foot (E)
- 3.96 m
- Forestay length
- 12.51 m
Engine & propulsion4
- Engine power
- 30 hp
- Engine type
- Petrol
- Engine make
- Universal
- Engine model
- Atomic 4
Layout & accommodation1
- Headroom
- 1.96 m
Hull & construction2
- Hull material
- Fibreglass
- Keel type
- Keel with centreboard
Tanks2
- Fuel tank
- 106 L
- Fresh water tank
- 151 L
Production & design4
- Production started
- 1975
- Production ended
- 1979
- Hulls built
- 143
- Designer
- C. Raymond Hunt Associates
Performance ratios6
- Sail area / displacement
- 15.26
- Displacement / length
- 241.62
- Ballast / displacement
- 32.1 %
- Comfort ratio
- 25.96
- Capsize screening
- 1.89
- Hull speed
- 7 kn
Yacht photography
Years, generations and variants
O’Day 321 generation
01
1975–1979