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Successful trials for GE-powered patrol boats
Friday, 10 February 2012 14:50

GE Marine has reported successful performance of its LM500 aeroderivative gas turbines during sea trials on the eighth and ninth PK(X) patrol boats in the South Korean Navy’s fleet.

The PK(X) patrol boats use LM500 gas turbines, rated at approximately 4,200kW, in a combined diesel and gas turbine arrangement, with diesel engines. The first PK(X) ‘Yoon Young-ha’ was launched at Hanjin Heavy Industries’ Busan shipyard. Vessels one through nine have been delivered.

For the programme, Samsung Techwin locally manufactures select parts of the LM500s, and assembles and tests the completed engines at its Changwon factory in South Korea. In addition, GE provides ongoing support to Samsung Techwin, the shipyard, and the South Korea Navy throughout installation, sea trials and commissioning. The LM500 is derived from GE’s TF34 turbofan aircraft engine, and has 90 percent commonality with the CF34 engine that powers the popular CRJ100/200 regional jet with more than 14 million hours of operation.

The simple cycle LM500 is a two-shaft gas turbine consisting of a gas generator, a free power turbine and cold end drive capabilities. The 14-stage axial flow compressor offers a 14.5:1 pressure ratio. Currently there are 67 LM500 gas turbines delivered or on order, accumulating more than 1.8 million operating hours. Of that total, 140,000 hours have been logged in marine service. The high time engine has accumulated nearly 88,000 hours.

For further information, contact:

GE Marine, USA

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