Bestandskraft Posted January 4, 2022 Posted January 4, 2022 According to the various F-14 flight manuals floating around (see, for example, NAVAIR 01-F14AAA-1, 15 May 1995, Change 1 - 1 February 1997, p. 7-18), the F-14A/B with AFCS should have a horizontal tail authority of 36° TEU to 9° TED (33° to 12° without ITS) with flaps down and trim set to 000. In 2.7.9.18080, the maximum TEU is approximately 28° without ITS, while the correct value of approximately 36° TEU can be attained with the stick fully trimmed back. Stick neutral: Stick back: The maximum TED is approximately 12° (rater a bit more) with and without ITS. The 5° no-trim TEU discrepancy might be the reason why, according to my tests, flaps down rotation at the precomputed rotation speeds from NAVAIR 01-F14AAP-1B, 1 August 2001, p. 249-251 is not attained at 25° TEU as indicated in NAVAIR 01-F14AAA-1, 15 May 1995, Change 1 - 1 February 1997, p. 7-23, but at approximately 20° TEU.
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