The Rolls-Royce MT30 marine gas turbine has been selected to power the Republic of Korea Navy’s (RoKN’s) six FFX III- (also known as Ulsan Batch III)-class guided-missile frigates set to be constructed by South Korean shipbuilders Hyundai Heavy Industries (HHI) and Daewoo Shipbuilding & Marine Engineering (DSME).
Computer-generated imagery of an FFX III-class frigate. (Hyundai Heavy Industries)
The MT30 already powers the RoKN’s FFX II- (Daegu)-class frigates, with Rolls-Royce saying in a 2 December statement that “the use of the MT30 across the [FFX] Batch II and Batch III frigates will deliver commonality benefits to the customer, such as spare parts, support infrastructure and training”.
As the UK-based company pointed out, each Daegu-class frigate is powered by a single MT30 and electric propulsion motors powered by four Rolls-Royce MTU diesel generators. Of the eight FFX II frigates planned only one – ROKS Daegu – has entered service so far.
For the FFX III-class programme Rolls-Royce said it will also supply the Engine Health Management (EHM) capability. “Supporting leaner naval forces, EHM technology delivers through-life benefits, such as reduced manpower and maintenance costs, by enabling the collection of reliable engine data and analysis to maximise asset availability and optimise on-board maintenance,” said the company.
It also said that as part of Rolls-Royce’s ongoing design collaboration with HHI for the specialised integrated enclosure for the MT30, HHI-EMD [Engine Machinery Division] will continue to be responsible for the manufacture of the engineering enclosure and all ancillaries in-country, and continue to provide in-service support.
HHI announced in March that it had secured a KRW400 billion (USD363 million) contract from South Korea’s Defense Acquisition Program Administration (DAPA) to design and build the first of six 3,500-tonne FFX III frigates for the RoKN.
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