July 11, 20188 yr USS Michale Monsoor DDG-1001 needs both damaged main gas turbines replacement https://news.usni.org/2018/07/11/second-zumwalt-destroyer-needs-new-engine-turbine-blades-damaged-sea-trials Quote: " Galinis said part of the reason it has taken so long to replace the engine is that, with the MT30 being so large, a special rail system is needed to remove the engine and put in a new one. That system hadn’t yet been designed when the Navy realized it needed one, so engineers had to finish the design and then install the system. “So that’s what’s taken us a little bit,” the rear admiral said." Rolls-Royce MT30 gas turbine is also employed by CVF Queen Elizabeth-class, LCS Freedom-class and earmarked for use in the future UK Type 26 frigates, South Korean Daegu-class frigates and Italian Trieste-class future amphibious ship.
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