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ECU

As Lockheed and Pratt Trade Barbs, F-35 JPO Insists Engine Upgrade Is Best Option

June 26, 2023 | By John A. Tirpak
The F-35 Joint Program Office is sticking by its endorsement of Pratt & Whitney’s Engine Core Upgrade (ECU) for the F135 powerplant, saying the improvement will meet all the fighter’s future needs for power. But it declined to weigh in on the increasingly combative war ...

Pratt & Whitney’s New Fix for F-35 Engine Issues Will Allow Deliveries to Resume

Feb. 28, 2023 | By John A. Tirpak
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 ...
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