| 释义 |
ˈpitch-up, n. Aeronaut.
[f. pitch v.1 + up adv.1]
A sudden, uncontrolled, upward pitch of an aircraft, esp. as experienced during a climb or descent; (a tendency towards) deviation of this nature. Cf. pitch v.1 19 f.
1955S.A.E. Jrnl. Apr. 40/2 In pitchup (sometimes referred to as digin, or overshoot) the airplane suddenly pitches up or digs in during a pullup or turn... It is the result of shock-wave formation. 1956W. A. Heflin U.S. Air Force Dict. 389/2 Pitch-up,..a marked tendency in an aircraft to pitch upward. 1976Flight Internat. 31 Jan. 207/1 The aircraft is believed to have suffered a pitch-up moment on final approach and to have landed in a flat attitude. 1988Pilot Nov. 41/1 It is a very stable aircraft, laterally, directionally and in pitch, when it will correct a 15 mph pitch-up within the classic one cycle, hands off. |