- Length
- 17.85 m
- Beam
- 5.12 m
- Draft
- 2.35 m
- Sail area
- 167.88 m²
Specifications
Dimensions & displacement6
- Length overall
- 17.85 m
- Waterline length
- 16.16 m
- Beam
- 5.12 m
- Draft
- 2.35 m
- Displacement
- 22,500 kg
- Ballast
- 8,500 kg
Sails & rig2
- Rig type
- Staysail ketch
- Sail area
- 167.88 m²
Engine & propulsion2
- Engine type
- Diesel
- Engine model
- Yanmar 4LHA-HTA
Hull & construction3
- Hull material
- Aluminium
- Keel type
- Fin keel, spade rudder
- CE design category
- A — ocean
Tanks2
- Fuel tank
- 999 L
- Fresh water tank
- 598 L
Production & design5
- Production started
- 2011
- Production ended
- 2018
- Builder
- Alubat
- Builder country
- France
- Designer
- Philippe Briand
Performance ratios7
- Sail area / displacement
- 21.51
- Displacement / length
- 148.59
- Ballast / displacement
- 37.8 %
- Comfort ratio
- 32.75
- Capsize screening
- 1.83
- Hull speed
- 9.76 kn
- Load per cm of immersion
- 568.3 kg/cm
Yacht photography
Years, generations and variants
Alubat 581 generation
01
2011–2018