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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 .
The most powerful low-speed engine ever produced by Wärtsilä, a 14-cylinder version of the RT-flex96C, produces 80,080 kW (107,390 hp) and is used to propel the Mærsk E-class container ships. Wärtsilä admitted to manipulating fuel consumption tests after an internal audit in 2016, saying that a few hundred engines had been affected.
This is the power rating table generated for the Vasa 32LN engine. Engine power ratings are determined by how the engine is being used. The Vasa engines offer 375 kW/cyl and 410 kW/cyl. As the number of cylinders increase, the power increases. The size of the engine depends on the application it is being used for. [1]
The only straight-14 engine known to reach production is part of the Wärtsilä-Sulzer RTA96-C family of 6-cylinder to 14-cylinder two-stroke marine engines. This engine is used in the Emma Mærsk , which was the world's largest container ship when it was built in 2006.
In the 1990s, Cummins was the world's biggest high-speed diesel-engine producer in the category of 200 horsepower and over. Meanwhile, Wärtsilä NSD, then Wärtsilä Diesel, was focussed on medium-speed engines. Cummins wanted to extend its selection in the upper range and Wärtsilä Diesel in its lower range. [1]
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Straight-seven engine with firing order 1-3-5-7-2-4-6 A straight-seven engine or inline-seven engine is a straight engine with seven cylinders . It is more common in marine applications because these engines are usually based on a modular design, with individual heads per cylinder.
Sulzer's marine engine range in 1969 extended from the 3 cylinder version of the A25 auxiliary engine at 550 bhp to the 12 cylinder 48,000 bhp 12RND105 engine, 10 metres high, with cylinders over a metre in diameter. [14] More recently these main engines have been replaced by the RTA series of engines, still two stroke.