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  2. Voith Schneider Propeller - Wikipedia

    en.wikipedia.org/wiki/Voith_Schneider_Propeller

    The Voith Schneider propeller was originally a design for a hydro-electric turbine. [2] Its Austrian inventor, Ernst Schneider, had a chance meeting on a train with a manager at Voith's subsidiary St. Pölten works; this led to the turbine being investigated by Voith's engineers, who discovered that although it was no more efficient than other water turbines, Schneider's design worked well as ...

  3. SOLAS Convention - Wikipedia

    en.wikipedia.org/wiki/SOLAS_Convention

    Initially prompted by the sinking of the Titanic, the current version of SOLAS is the 1974 version, known as SOLAS 1974, which came into force on 25 May 1980, [1] and has been amended several times. As of April 2022, SOLAS 1974 has 167 contracting states, [1] which flag about 99% of merchant ships around the world in terms of gross tonnage. [1]

  4. FSS Code - Wikipedia

    en.wikipedia.org/wiki/FSS_Code

    1914 and 1929 SOLAS Conventions after the RMS Titanic sinking; 1948 and 1960 SOLAS Conventions after the Morro Castle sinking in 1934; International Convention for the Safety of Life at Sea of 1 November 1974, that introduced Chapter II-2 (on construction - fire protection, fire detection and fire extinction) 1981 revision - a rewrite of ...

  5. International Ship and Port Facility Security Code - Wikipedia

    en.wikipedia.org/wiki/International_Ship_and...

    The International Ship and Port Facility Security (ISPS) Code is an amendment to the Safety of Life at Sea (SOLAS) Convention (1974/1988) on Maritime security including minimum security arrangements for ships, ports and government agencies. Having come into force in 2004, it prescribes responsibilities to governments, shipping companies ...

  6. Ducted propeller - Wikipedia

    en.wikipedia.org/wiki/Ducted_propeller

    A ducted propeller, also known as a Kort nozzle, is a marine propeller fitted with a non-rotating nozzle. It is used to improve the efficiency of the propeller and is especially used on heavily loaded propellers or propellers with limited diameter. It was developed first by Luigi Stipa (1931) and later by Ludwig Kort (1934). The Kort nozzle is ...

  7. Queen Mary 2 - Wikipedia

    en.wikipedia.org/wiki/Queen_Mary_2

    Queen Mary 2 is the first quadruple-propeller passenger ship completed since the SS France in 1961. [49] Queen Mary 2 carries eight spare blades on the foredeck, immediately forward of the bridge screen. [50] In addition to the primary thrusters, the ship is also fitted with three bow thrusters, with a power output of 3.2 MW each. These allow ...

  8. Voyage data recorder - Wikipedia

    en.wikipedia.org/wiki/Voyage_Data_Recorder

    The protective capsule of a voyage data recorder on M/V Barfleur This image shows the AMI Marine ltd Float Free Capsule used on ships to store a minimum of 48 hours of recorded data. if the vessel sinks the capsule case (white) will open and release the Yellow capsule from inside, this capsule will then float to the surface and emit a distress signal to alert shore side authorities.

  9. Propeller theory - Wikipedia

    en.wikipedia.org/wiki/Propeller_theory

    A propeller imparts momentum to a fluid which causes a force to act on the ship. [1] The ideal efficiency of any propulsor is that of an actuator disc in an ideal fluid. This is called the Froude efficiency and is a natural limit which cannot be exceeded by any device, no matter how good it is.

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