20 Terms
Contributors in General boating
General boating
Head of navigation
Boat; General boating
A term used to describe the farthest point above the mouth of a river that can be navigated by ships.
Chronometer
Boat; General boating
A timekeeper accurate enough to be used to determine longitude by means of celestial navigation.
Bilge keels
Boat; General boating
A pair of keels on either side of the hull, usually slanted outwards. In yachts, they allow the use of a drying mooring, the boat standing upright on the keels (and often a skeg) when the tide is ...
Anti-rolling tanks
Boat; General boating
A pair of fluid-filled, usually water, tanks mounted on opposite sides of a ship below the waterline. Fluid would be pumped between them in an attempt to dampen the amount of roll.
Rolling-tackle
Boat; General boating
A number of pulleys, engaged to confine the yard to the weather side of the mast; this tackle is much used in a rough sea.
Flag hoist
Boat; General boating
A number of signal flags strung together to convey a message, e.g. 'England expects...'.
