an instability in which an aeroplane undergoing a banked turn tends to enter a descending spiral as a result of sideslipping and reduction of the…
| 单词 | θ207647 |
| 释义 | society > travel > air or space travel > a means of conveyance through the air > aeroplane > qualities and parameters of aircraft > [noun] > spiral stability or instability (3) spiral instability1914 an instability in which an aeroplane undergoing a banked turn tends to enter a descending spiral as a result of sideslipping and reduction of the… spiral stability1947 the capactiy of an aeroplane not to enter a spiral while executing a banked turn, or to recover from a steeply-banked spiral path. spiral divergence1949 = spiral instability n. |
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