A daggerboard is a retractable centreboard used by various sailing craft. While other types of centreboard may pivot to retract, a daggerboard slides in a casing. The shape of the daggerboard converts
Windsurf daggerboards from Exocet Kona and Mistral One Design
The Laser is a class of single-handed, one-design sailing dinghies using a common hull design with three interchangeable rigs of different sail areas, appropriate to a given combination of wind streng
Daggerboard
…because fixed keels have so much hydrodynamic drag by the shape. Some makes which utilize a daggerboard design are: The Sunfish (dinghy), Mirror Dinghy, Laser, Vanguard 15…
ILCA 7
Laser in original colours, as delivered in the 1970s