The throat diameter is the diameter of the addendum circle at the central plane of a wormgear or of a double-enveloping wormgear.
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Famous quotes containing the word throat:
“She by my side
Stared at the Moon; and then I knew he knew.
And then he smiled at her; to him ‘twas funny—
Her calm steel eyes, her earth-old throat of honey!”
—Allen Tate (1899–1979)