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MITSUBISHI SHIPBUILDING NAMES 'DIAMOND GAS SAKURA' LNG CARRIER

Monday, April 22, 2019 

Mitsubishi Shipbuilding, a member company of Mitsubishi Heavy Industries (MHI) group, has held the christening ceremony for a next-generation LNG carrier currently under construction for Mitsubishi Corporation and Nippon Yusen Kabushiki Kaisha (NYK Line).

The new ship, named Diamond Gas Sakura, is the third 'Sayaringo STaGE' type vessel for the two companies, the newest model of LNG carrier featuring significantly improved carrying capacity and fuel performance due to the adoption of a more efficient hull structure and hybrid propulsion system. After completion and handover in May, the Diamond Gas Sakura will join their first two ships, Diamond Gas Orchid and Diamond Gas Rose, in transporting LNG for the Cameron LNG Project.

Diamond Gas Sakura has a length of 293.5m, width of 48.94m, and depth of 27.0m, with a draught of 11.05m. Deadweight tonnage is approximately 73,800 tonnes, with a total tank holding capacity of 165,000m3. Launching took place on September 15, 2018. Mitsubishi Shipbuilding received the order for the new vessel through MI LNG Company, Limited, a joint venture for the design and sale of LNG carriers established by MHI and Imabari Shipbuilding. Construction was managed by Mitsubishi Heavy Industries Marine Structure Co, an MHI Group company based in Nagasaki.

The Sayaringo STaGE is a successor to the 'Sayaendo' design, noted for its refined MOSS-type spherical tanks. The use of apple-shaped tanks allows for greater LNG carrying capacity without increases to the ship's beam, while the STaGE propulsion system further improves fuel efficiency over the previous model. STaGE, an acronym derived from Steam Turbine and Gas Engines, is a hybrid propulsion system combining a steam turbine and gas-fired engines. Effective utilisation of waste heat from the engines for the steam turbine provides an improvement in plant efficiency, allowing for high-efficiency navigation in both low and high-speed areas.

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