MTU Generator Sets for U.S. Navy Frigates

Fincantieri Marinette Marine has selected Rolls-Royce to deliver mtu naval generator sets for the U.S. Navy’s FFG-62 class program By DA Reporter / 27 May 2021

Rolls-Royce has been selected to supply the first shipset of four mtu naval generator sets for phase one of the U.S. Navy’s Constellation (FFG-62) class frigate program, previously known as the FFG(X) program. 

The four high-speed mtu generator sets deliver 3,000 kWe at 1,800 rpm. They are based on the mtu 20V 4000 M53B engine platform and provide a total power output of 12 MW for propulsion and on-board power supply.

The Navy Constellation (FFG-62) Class Frigate is a multi-mission warship designed to serve as the next-generation of small surface combatants capable of operation in littoral and blue water environments to conduct air, anti-submarine, surface and electronic warfare, as well as information operations. 

“We’re very proud that Fincantieri Marinette Marine has placed its trust in our mtu naval generator sets for this important program,” said Adam Wood, Director, Government Sales North America at Rolls-Royce business unit Power Systems. “We have a legacy of strong support for our partners in both the U.S. Navy and the U.S. Coast Guard, and we are honored to be selected for FFG-62. There is no doubt that our systems will perform to the high expectations and unique demands of the U.S. Navy Constellation Class.”

The flexible design engineering of the frigate’s CODLAG propulsion system will allow for energy-efficient diesel power generation for propulsion at normal cruising speeds with extended range, while enhancing anti-submarine capability in its extremely quiet diesel-electric configuration. 

Fincantieri Marinette Marine was awarded the build contract for the project, which includes design and construction of the lead ship and the option to build up to 10 ships in total for phase one. A potential planned second phase would include another 10 ships.

When completed, the lead ship will be nearly 500 feet in length, accommodate up to 200 sailors and be capable of sustained speeds of more than 26 knots.

Construction on the first ship is expected to begin later this year.

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