| 释义 |
eta patch Aeronaut.
[f. Gr. ἦτα, the name of the Greek letter η; it was the designation of the first airship, built in 1913 at the Royal Aircraft Factory, Farnborough, to have this means of attachment.]
(See quot. 1919.)
1918W. E. Dommett Dict. Aircraft 25 Goosefoot, a method of attaching the rigging on the envelope, often called an ‘Eta Patch’. 1919W. B. Faraday Gloss. Aeronaut. Terms 57 Eta patch, a means of attaching rigging to the envelope consisting of a large fan-shaped patch made up of several thicknesses of fabric and reinforced with webbing bands and terminating in a metal ring. 1955Aeroplane LXXXIX. 51/1 Because her suspension was distorting the envelope, ‘Eta’ patches were introduced, and cured the trouble. |