What does leading wheel mean?
Definitions for leading wheel
lead·ing wheel
This dictionary definitions page includes all the possible meanings, example usage and translations of the word leading wheel.
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Wiktionary
leading wheelnoun
On a steam locomotive, an unpowered wheel located in front of the driving wheels.
Wikidata
Leading wheel
The leading wheel or leading axle of a steam locomotive is an unpowered wheel or axle located in front of the driving wheels. The axle or axles of the leading wheels are normally located in a truck. Leading wheels are used to help the locomotive negotiate curves and to support the front portion of the boiler. Importantly, the leading bogie does not have simple rotational motion about a vertical pivot, as might first be thought. It must also be free to slip sideways to a small extent, and some kind of springing mechanism is normally included to control this movement and give a tendency to return to centre. The sliding bogie of this type was patented by William Adams in 1865. The first use of leading wheels is commonly attributed to John B. Jervis who employed them in his 1832 design for a locomotive with four leading wheels and two driving wheels. In the Whyte system of describing locomotive wheel arrangements, his locomotive would be classified as a 4-2-0: that is to say, it had four leading wheels, two driving wheels, and no trailing wheels. In the UIC classification system, which counts axles rather than wheels and uses letters to denote powered axles, the Jervis would be classified 2-A.
Numerology
Chaldean Numerology
The numerical value of leading wheel in Chaldean Numerology is: 1
Pythagorean Numerology
The numerical value of leading wheel in Pythagorean Numerology is: 6
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"leading wheel." Definitions.net. STANDS4 LLC, 2024. Web. 25 Apr. 2024. <https://www.definitions.net/definition/leading+wheel>.
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