Rolls-Royce is in the last few months of testing its F130-200 engines before a critical design review of the powerplants, which will equip the re-engined and upgraded B-52J, a company official said. “We’re about one-third through” engine runs with F130-200 Nos. 1 and 2, F130 ...
Aircraft Propulsion
The Air Force couldn't find a place for Adaptive Engine Technology Program powerplants on the F-35 in its fiscal 2024 budget request, opting to harvest what it can from its $4 billion investment and press on to the Next-Generation Advanced Propulsion program.
The looming decision on the future of the F-35’s engine—Pratt & Whitney’s F135—has fostered plenty of debate, with some suggesting the F135 should be completely replaced with a new engine through the Adaptive Engine Transition Program (AETP), while others say integrating a new adaptive engine into...
Pratt & Whitney has developed a fix for F135 engines afflicted with “harmonic resonance,” which should only take 30 minutes per affected engine to correct, company officials said. Deliveries of the engine, which powers the F-35 Lightning II stealth fighter, resumed Feb. 18 after nearly ...
The government has cleared Pratt & Whitney to resume providing F135 engines to Lockheed Martin, but deliveries of some 21 F-35s completed but not yet handed over to government users is still on hold. Acceptance flights and deliveries of the all-up jets may resume the ...
If the Air Force and Pentagon decide the F-35 fighter needs an all-new engine, it wouldn’t just give the jet range and performance improvements—it would drive a refresh of the entire fighter propulsion industrial base, a GE Aerospace official claimed Feb. 16. Competitor Pratt & ...
A month after F-35 fighter deliveries were halted pending an investigation into a Dec. 14 crash, Pratt & Whitney said it has a fix in hand that will allow deliveries to resume by the end of February. The problem had to do with harmonic resonance, ...
The Air Force has handed out a $334 million contract to contractor Leidos for “Mayhem,” the secretive program aimed at developing a larger class of hypersonic system, the Pentagon announced Dec. 16. The contract comes more than two years after the Air Force first began asking ...
Pratt & Whitney would like to keep its monopoly on supplying powerplants for the F-35 fighter fleet and is pushing for the government to choose an upgrade of the F135 engine instead of an all-new adaptive engine, which it said would be far more costly ...