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  2. Steam turbine - Wikipedia

    en.wikipedia.org/wiki/Steam_turbine

    The development of steam turbine marine propulsion from 1894 to 1935 was dominated by the need to reconcile the high efficient speed of the turbine with the low efficient speed (less than 300 rpm) of the ship's propeller at an overall cost competitive with reciprocating engines.

  3. Marine propulsion - Wikipedia

    en.wikipedia.org/wiki/Marine_propulsion

    The diesel-electric transmission of power from the engine to the propeller affords flexibility in distribution of machinery within the vessel at a higher first cost than direct-drive propulsion. It is a preferred solution for vessels that employ pod-mounted propellers for precision positioning [ 21 ] or reducing general vibrations by highly ...

  4. Steamship - Wikipedia

    en.wikipedia.org/wiki/Steamship

    The compound engine, where steam was expanded twice in two separate cylinders, still had inefficiencies. The solution was the triple expansion engine, in which steam was successively expanded in a high pressure, intermediate pressure and a low pressure cylinder. [27]: 89 [28]: 106-111

  5. Marine steam engine - Wikipedia

    en.wikipedia.org/wiki/Marine_steam_engine

    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.

  6. HMS Rattler (1843) - Wikipedia

    en.wikipedia.org/wiki/HMS_Rattler_(1843)

    Her propeller trials commenced on 30 October 1843. During her full power steam trials her engine generated 428 indicated horsepower (319 kW) for a speed of 10.074 knots (18.657 km/h). [2] Rattler was completed for sea on 30 January 1845 at a first cost of machinery - £9,400 and fitting of £17,413. [2]

  7. Steamboat - Wikipedia

    en.wikipedia.org/wiki/Steamboat

    The first steam-powered ship, Pyroscaphe, was a paddle steamer powered by a double-acting steam engine; [6] it was built in France in 1783 by Marquis Claude de Jouffroy and his colleagues as an improvement of an earlier attempt, the 1776 Palmipède.

  8. Screw steamer - Wikipedia

    en.wikipedia.org/wiki/Screw_steamer

    A screw steamer or screw steamship (abbreviated "SS") is an old term for a steamship or steamboat powered by a steam engine, using one or more propellers (also known as screws) to propel it through the water. Such a ship was also known as an "iron screw steam ship".

  9. Propeller - Wikipedia

    en.wikipedia.org/wiki/Propeller

    In 1802, American lawyer and inventor John Stevens built a 25-foot (7.6 m) boat with a rotary steam engine coupled to a four-bladed propeller. The craft achieved a speed of 4 mph (6.4 km/h), but Stevens abandoned propellers due to the inherent danger in using the high-pressure steam engines. His subsequent vessels were paddle-wheeled boats. [15]

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