Such slipways are used for repair as well as for putting newly built vessels in the water. ships of no more than about 300 tons), the vessel is moved on a wheeled carriage, which is run down the ramp until the vessel can float on or off the carriage. When used for building and repairing boats or small ships (i.e. Normally there is a flat paved area on the landward end. The height of the tide can limit the usability of a slip: unless the ramp continues well below the low water level it may not be usable at low tide. In its simplest form, a slipway is a plain ramp, typically made of concrete, steel, stone or even wood. Nevertheless the words "slip" and "slipway" are also used for all dry-docking installations that use a ramp.Īn old and simple slipway for smaller boats. These types of dry-docking installations are called " marine railways". Therefore, for dry-docking large ships, one must use carriages supported by wheels or by roller-pallets. Pulling large ships against the greased ramp would require too much force. Slipways are used to launch (newly built) large ships, but can only dry-dock or repair smaller ships. Prior to the move the vessel's hull is coated with grease, which then allows the ship or boat to "slip" off of the ramp and progress safely into the water. If a ship is scrapped there, she is said to be broken up in the ways.Īs the word "slip" implies, the ships or boats are moved over the ramp, by way of crane or fork lift.
A ship undergoing construction in a shipyard is said to be on the ways. The nautical terms ways and skids are alternative names for slipway. They are used for building and repairing ships and boats, and for launching and retrieving small boats on trailers towed by automobiles and flying boats on their undercarriage. A slipway, also known as boat ramp or launch or boat deployer, is a ramp on the shore by which ships or boats can be moved to and from the water.
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