
RTX's [RTX] engine subsidiary Pratt & Whitney said that it has established firewalls between its F135 Engine Core Upgrade (ECU) for the Lockheed Martin [LMT] F-35 fighter and the Enhanced Power and Cooling System (EPACS) design effort by another RTX subsidiary, Collins Aerospace, for a new Power and Thermal Management System (PTMS) for the F-35. Honeywell‘s [HON] Torrance, Calif., plant builds the F-35 PTMS, which supplies main engine start and auxiliary and emergency power needs, in addition to 30 Kilowatts…