Pratt & Whitney has just completed 8,000 ground test hours with the F135 engine, the primary powerplant destined for the new F-35 Joint Strike Fighter. Coupled with earlier testing during the fighter’s concept demonstration program, the F135 now has more than 11,000 test hours, which company F-135 engine VP Bill Gostic says demonstrates the engine’s “maturity, flexibility, and reliability.” In other engine news, P&W has received a $1.05 billion from the Air Force for new deliveries of F117 engines for C-17 airlifters, with deliveries running through 2012. The Air Force also awarded the engine maker $1.3 billion for delivery of F119 engines over the next three years for the F-22A fighter—part of the Raptor’s new multi-year procurement program.
B-21 Raider First Flight Now Postponed to 2023
May 20, 2022
The Air Force says the B-21 Raider won't make its first flight until 2023; about a six-month delay from the last official estimates. No reason was given for the delay. While other programs have recently chalked up schedule slips to supply chain and labor shortages, the Air Force has said…