| 单词 | pitching axis |
| 释义 | > as lemmaspitching axis pitching axis n. chiefly Aeronautics a lateral axis about which pitching of an aircraft, ship, etc., takes place, usually specified to be perpendicular to its longitudinal axis or its direction of travel; also called pitch axis. ΘΚΠ society > travel > air or space travel > a means of conveyance through the air > aeroplane > qualities and parameters of aircraft > [noun] > axes of specific moments rolling axis1731 longitudinal axis1744 pitching axis1920 roll axis1945 pitch axis1952 yawing axis1953 yaw axis1959 1915 A. Fage Aeroplane vi. 75 The following nomenclature has been adopted at the National Physical Laboratory:—[table] Name of axis..Lateral... Name of Motion which takes place about Axis..Pitching.] 1920 W. J. Walker tr. R. Devillers Dynamics of Aeroplane xii. 234 The moment of inertia in movements about the pitching axis plays the rôle of mass in rectilinear displacements. 1953 New Biol. 14 66 Stability can be related to any of the three axes—the rolling axis..,the yawing axis,..and the pitching axis (horizontally at right angles to the direction of flight). 1997 Proc. Royal Soc. A. 453 1767 The pitching axis position was at the trailing edge x*pitch=1.0. < as lemmas |
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