The standard pitch circle is the circle which intersects the involute at the point where the pressure angle is equal to the profile angle of the basic rack.
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Famous quotes containing the words standard, pitch and/or circle:
“Where shall we look for standard English but to the words of a standard man?”
—Henry David Thoreau (1817–1862)
“Though I have locked my gate on them
I pity all the young,
I know what devil’s trade they learn
From those they live among,
Their drink, their pitch and toss by day,
Their robbery by night....”
—William Butler Yeats (1865–1939)
“Writing about an idea frees me of it. Thinking about it is a circle of repetitions.”
—Mason Cooley (b. 1927)