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by V_Terranova_Jr
1321 days ago
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> One wonders if a computer system like what's in the F35 could have worked in the F14 to mitigate the problem with engine failure It could be possible that with full-authority fly-by-wire flight controls, a flight computer could prevent departures in case of single engine failure. I doubt anyone with enough F-14 flight dynamics knowledge is going to be on HN (you never know though!) to say if there was enough authority in the controls in these parts of the envelope to recover from such scenarios. While not the same failure mode, the SR-71 in the '80s acquired a system called "DAFICS": Digital Automatic Flight and Inlet Control System. During supersonic flight, you could get inlet unstart (ejection of the internal normal shock and a resultant sudden decrease in thrust due to poor inlet performance) - which typically occurred asymmetrically and was not uncommon. DAFICS sensed an impending unstart and actually forced both inlets to simultaneously unstart. A less expensive patch than redesigning a finicky inlet already 20+ years old. https://www.sae.org/publications/technical-papers/content/85... That aside aside, the real fix the F-14 needed was the GE engines (A+/D model). So you likely ought to blame the losses of these airframes from engine-induced issues on acquisition system decisions, rather than the airframe design itself. |
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