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A powership (or power ship) is a special purpose ship, on which a power plant is installed to serve as a power generation resource. Converted from existing ships, powerships are self-propelled, ready to go infrastructure for developing countries that plug into national grids where required. [1] Unmotorised powerships, known as power barges, are ...
A marine steam engine is a steam engine that is used to power a ship or boat. This article deals mainly with marine steam engines of the reciprocating type, which were in use from the inception of the steamboat in the early 19th century to their last years of large-scale manufacture during World War II.
This is a list of boat types. For sailing ships , see: List of sailing boat types This is a dynamic list and may never be able to satisfy particular standards for completeness.
Screw-driven steamships generally carry the ship prefix "SS" before their names, meaning 'Steam Ship' (or 'Screw Steamer' i.e. 'screw-driven steamship', or 'Screw Schooner' during the 1870s and 1880s, when sail was also carried), paddle steamers usually carry the prefix "PS" and steamships powered by steam turbine may be prefixed "TS" (turbine ship).
This is a list of historical ship types, which includes any classification of ship that has ever been used, excluding smaller vessels considered to be boats. The classifications are not all mutually exclusive; a vessel may be both a full-rigged ship by description, and a collier or frigate by function. A two-masted schooner Aircraft Carrier
This is a list of the oldest ships in the world which have survived to this day with exceptions to certain categories. The ships on the main list, which include warships, yachts, tall ships, and vessels recovered during archaeological excavations, all date to between 500 AD and 1918; earlier ships are covered in the list of surviving ancient ships.
All propellers produce a transverse thrust, also called screwing effect or starting bias, which gives a tendency for end of ship to move sideways. In a twin-screw ships the port propeller is usually left-handed and the starboard right-handed, to cancel out the transverse thrust and avoid propeller walk .
A ship's tender of the MSC Orchestra. A ship's boat is a utility boat carried by a larger vessel. Ship's boats have always provided transport between the shore and other ships. Other work done by such boats has varied over time, as technology has changed. In the age of sail, especially for warships, an important role was the collection of ...