A centreboard or centerboard (US) is a retractable hull appendage which pivots out of a slot in the hull of a sailboat, known as a centreboard trunk (UK)...

A daggerboard is a retractable centreboard used by various sailing craft. While other types of centreboard may pivot to retract, a daggerboard slides...

mounted in pairs on each side of a hull, leeboards function much like a centreboard, allowing shallow-draft craft to ply waters fixed keel boats cannot....

rigging, engine, transmission, propeller), or controls (helm, rudder, centreboard, daggerboards, rigging). Similarly, a jury mast is a replacement mast...

470 (Four-Seventy) is a double-handed monohull planing dinghy with a centreboard, Bermuda rig, and centre sheeting. Equipped with a spinnaker, trapeze...

Nationality 2015 present Centreboard 470 470 World Championships Fleet Open – 1970 1984 annually no longer held Centreboard 470 470 World Championships...

49er FX Finn IQFoil Laser Standard Laser Radial Nacra 17 World Sailing centreboard classes 29er 420 505 B14 Byte Cadet Contender Enterprise Europe Fireball...

two-woman 470 dinghy, a double-handed monohull planing dinghy with a centreboard, Bermuda rig, centre sheeting and length overall of 4.70 metres. Aleh...

five essential controls: The sails The foils (i.e. the daggerboard or centreboard and rudder and sometimes lifting foils as found on the Moth) The trim...

reason being that a centreboard/keel is not needed for sailing downwind and simply adds to the drag of the hull. Raising the centreboard reduces drag and...