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Marine automobile engines are types of automobile petrol-or diesel engines that have been specifically modified for use in the marine environment. The differences include changes made for the operating in a marine environment, safety, performance, and for regulatory [1] requirements. The act of modifying is called 'marinisation'.
The 6.5L engine was the first successful diesel V-8 engine designed specifically for marine use on a commercial scale. In 2006, Marinediesel started development work on the 6.6L Duramax V8 engine GM diesel engine that entered production as the Marinediesel VGT series. [6] At the same time, Marinediesel became the first GM OEM located outside ...
The original design and development of the WR-21 was carried out by Westinghouse Electric Corporation (later Northrop Grumman Marine Systems) under a US Navy contract placed in December 1991. Later the Royal Navy and the French Navy became interested in the WR-21, leading to Rolls-Royce and DCN involvement.
The engines operates on the 2-stroke cycle principle, are air started, and are rated at 1600 bhp at 756 rpm on the 16-248 and 750 rpm on the 16-278A. The size of the bore and stroke of the 16-248 engine is 8 + 1 ⁄ 2 inches and 10 + 1 ⁄ 2 inches respectively as compared to 8 + 3 ⁄ 4 inches and 10 + 1 ⁄ 2 inches for Model 16-278A.
[2] [4] Each engine weighed about 137 tons and stood 24½ feet high. Although the first marine engines built by Hendy, they proved to be reliable, with most providing many years of service. Essentially the same engine design (with minor improvements) was used by the company for its mass production of US Liberty ship engines in World War II. [2]
V12 marine diesel engines . Human-powered paddles and oars, and later, sails were the first forms of marine propulsion. Rowed galleys, some equipped with sail, played an important early role in early human seafaring and warfares. The first advanced mechanical means of marine propulsion was the marine steam engine, introduced in the early 19th ...
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