Pinion
From Wikipedia, the free encyclopedia
For other uses, see Pinion (disambiguation).
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A pinion is usually the smallest gear in a gear drive train. In many cases, such as remote controlled toys, the pinion is also the drive gear. In the case of John Blenkinsop's The Salamanca the pinion was rather large.
The term is also commonly used to describe the smaller gear that drives in a 90-degree angle towards a crown gear in a differential drive.
[edit] See also
Look up pinion in Wiktionary, the free dictionary.
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[edit] Notes
1. ANSI/AGMA 1012-G05, "Gear Nomenclature, Definition of Terms with Symbols".
2. in the case of radio controlled cars with an engine (i.e. nitro) this pinion gear can be referred to as a "Clutch bell"
