Rolls-Royce will manufacture 608 of these engines under a contract with the US Air Force. The company based its F130 engine on the commercial BR725 engine, which has flown 30 million hours in Gulfstream G650 business jets and other civil and military transport aircraft.
Rolls-Royce said the tests will take several months, although preliminary results are promising. The tests are conducted in partnership with the Air Force and Boeing, which are responsible for integrating the engines into the upgraded B-52 fleet. According to a Rolls-Royce spokesperson, its engines will result in “increased fuel efficiency, a reduction in the need for air refueling, and a significant reduction in operating costs for the B-52 fleet.”
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