Search results
Results from the WOW.Com Content Network
The engine is the largest reciprocating engine in the world. The 14-cylinder version first entered commercial service in September 2006 aboard the Emma Mærsk . The design is similar to the older RTA96C engine, but with common rail technology (in place of traditional camshaft , chain gear , fuel pump and hydraulic actuator systems).
Period cutaway diagram of a triple-expansion steam engine installation, circa 1918. This particular diagram illustrates possible engine cutoff locations, after the Lusitania disaster and others made it clear that this was an important safety feature. A marine steam engine is a steam engine that is used to power a ship or boat.
The Victory ship was a class of cargo ship produced in large numbers by American shipyards during World War II to replace losses caused by German submarines. They were a more modern design compared to the earlier Liberty ship, were slightly larger and had more powerful steam turbine engines, giving higher speed to allow participation in high-speed convoys and make them more difficult targets ...
The ships are used as dry-bulk lake freighters (two gearless bulk freighter and three self-unloading vessel). [29] The first in the series, Algoma Equinox , was launched in 2013. Trillium class – a new class of lake freighter delivered for Canada Steamship Lines in 2012 ( Baie St. Paul ) and 2013 ( Whitefish Bay , Thunder Bay and Baie Comeau ).
Conventional dry bulk Lake freighter: Length: 552 ft (168 m) - 527 ft (161 m) After ATB Conversion: Beam: 56 ft (17 m) Height: 31 ft (9.4 m) Propulsion: Triple Expansion Steam Engine; Repowered in 1950 with Skinner Unaflow Reciprocating Steam Engine; Engine Removed and converted to Articulated Tug-Barge, 2014. Capacity: 10,250 tons
NS Savannah, was the first nuclear-powered cargo-passenger ship, and was built in the late 1950s as a demonstration project for the potential use of nuclear energy. [35] Thousands of Liberty Ships (powered by steam piston engines) and Victory Ships (powered by steam turbine engines) were built in World War II.
Most modern larger merchant ships use either slow speed, two stroke, crosshead engines, or medium speed, four stroke, trunk engines. Some smaller vessels may use high speed diesel engines. The size of the different types of engines is an important factor in selecting what will be installed in a new ship.
A total of 75 ships were built with C3 hulls and engines, but not built as cargo ships. During World War II, many C3 ships were converted to naval uses, particularly as Bogue-class escort carriers, and as Windsor-class and Bayfield-class attack transports, Klondike-class destroyer tenders, submarine tenders, and seaplane tenders.