In the near term, an enhancement to the stealth fighter’s Pratt & Whitney F135 engine is expected to enable a suite of upgrades known as Block 4. Beyond Block 4, a new cooling system will be ...
The RTX subsidiary on 28 February said it successfully tested a demonstrator of the Enhanced Power and Cooling System (EPACS ... Pratt & Whitney (P&W) F135 engine operating outside its ideal ...
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