Daewoo Enters Submarine Export Market

By Keith Henderson at January 31, 2012 06:14
Filed Under: Company News, Navy News

South Korean conglomerate and shipyard Daewoo Shipbuilding & Marine Engineering (DSME) last month announced their first export order for submarines. The order is for  three modified Type 209 diesel electric submarines for the Indonesian Navy: two boats will be built in South Korea and the third one at the Indonesian shipyard of PT PAL in Surabaya. The total value of the contract is approximately US $1.1 billion and construction is due to commence this month with planned commissioning dates of 2018.

Caption: Republic of Korea Type 209/1200 Class submarine Chang Bogo (SSK 061)
Image credit: PH1 David A. Levy, US Navy

The conventional diesel electric Type 209 submarine is a development of Howaldswerke-Deutsche Werft (HDW), now ThyssenKrupp Marine Systems (TMS), Germany for export and is designed to be produced in local yards. The original Type 209/1100 was developed in the 1960s and has been successively improved through type 209/1200, 209/1300, 209/1400 and 209/1500. Under a technology transfer agreement from 1988, DSME acquired rights allowing it to produce the submarines independently from HDW. Although never ordered by the German Navy, the Type 209 is one of the most popular diesel electric submarine classes with 61 boats in service with the navies of 13 countries.

The Indonesian DSME209 Class submarine is a conventional attack class submarine and is larger than the Korean Navy’s original Chang Bogo Type 209/1200 Class. It has an LOA of 200 ft (61 m) with a 20.7 ft (6.3 m) hull diameter and a surface displacement of 1,400 tons. There is accommodation for a crew of up to 40 man. Eight tubes are provided for delivery of torpedos and other weapon systems including missiles.

The propulsion system comprises four MTU 12V396 SE84 gensets each rated at 700 kW at 1800 rpm. An electric motor driving a single screw propels the boat on the surface at 11 kn, submerged up to 22 kn. Submerged range is 400 nautical miles (740 km) at 4 kn, 8,000 nautical miles snorkeling at 10 kn and 11,000 nautical miles surfaced at 10 kn.

Caption: December 2011 contract signing ceremony between the Indonesian
Ministry of Defence and Daewoo Shipbuilding & Marine Engineering Co.Ltd.
Image credit: Daewoo Shipbuilding & Marine Engineering Co.Ltd.

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