Underpowered Powerplant: The F-35’s Engine Can’t Do the Job
The single-engine F-35 keeps dragging the Pentagon into deeper trouble. Early budgets spoke about $233 billion for building the fleet. Today the ledger shows roughly $412 billion for 2 470 jets. Money keeps pouring, yet the fighter still can’t fly at full strength. A key reason sits right behind the cockpit: Pratt & Whitney’s F135 engine. Program leaders now admit the motor never met the real-world loads it faces, and every extra flight hour cuts its life shorter than planned.
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