Lockheed Martin is examining a different propulsion system layout for its US Navy (USN) guided-missile frigate (FFG(X)) offering, which is based on the company’s Freedom-class Littoral Combat Ship (LCS), the contractor said on 23 October during a media briefing at Euronaval in Paris.
The baseline Freedom-class LCS features two Rolls-Royce MT30 gas turbines and two Colt-Pielstick PA6B diesel engines in a combined diesel and gas (CODAG) turbine layout driving two steerable and two booster waterjets. With a combined installed power of about 80 MW, the CODAG system can propel the LM LCS variant to speeds of more than 40 kt.
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