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The Wärtsilä RT-flex96C is a two-stroke turbocharged low-speed diesel engine designed by the Finnish manufacturer Wärtsilä. It is designed for large container ships that run on heavy fuel oil. Its largest 14-cylinder version is 13.5 meters high, 26.59 meters long, weighs over 2,300 tonnes, and produces 80.08 megawatts.
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.
The engines propel large container vessels, freighters and oil tankers. Low-speed diesel engines do not require a transmission system because they are directly connected to the propellers by drive shafts. MAN's market-leading position in two-stroke marine engines means approximately 50% of global trade is moved by MAN engines. [42]
MAN B&W Diesel licensee Hyundai Heavy Industries in Korea built the 12K98MC with 75,790 kW (101,640 hp). The engine was installed in the first of a series of container ships with a capacity over 9,000 TEU built for Greek owner Costamare. The vessels were to be chartered to COSCON (COSCO Container Lines) in China. [3]
Laura Maersk was built as a dual fuel (methanol and diesel) container ship in Hyundai Mipo Dockyard, South Korea. [3] [1] It was named by President of the European Commission Ursula von der Leyen in Copenhagen on 14 September 2023. [3] It is named after the steam ship SS Laura, the first ship owned by Peter Mærsk Møller, father of the founder ...
This engine is used in the Emma Mærsk, which was the world's largest container ship when it was built in 2006. The engine produces 80,080 kW (107,390 hp) and displaces 25,340 L (1,546,342 in 3), has a bore of 960 mm (38 in) and a stroke of 2,500 mm (98 in). The engine is 27.3 m (90 ft) long, 13.5 m (44 ft) high and weighs 2,300 t (2,535 short ...
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.
A marine LNG engine is a dual fuel engine that uses natural gas and bunker fuel to convert chemical energy in to mechanical energy. Due to natural gas' cleaner burning properties, the use of natural gas in merchant ship propulsion plants is becoming an option for companies in order to comply with IMO and MARPOL environmental regulations.