Headstock (rolling stock): Difference between revisions
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{{Other|Headstock (disambiguation)}} |
{{Other|Headstock (disambiguation)}} |
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A '''headstock''' of a [[Railroad car|rail vehicle]] is a transverse structural member located at the extreme end of the vehicle's underframe. The headstock supports the [[railway coupling|coupling]] at that end of the vehicle, and may also support [[Buffer (rail transport)|buffers]], in which case it may also be known as a '''buffer beam'''.<ref name=rtwp>{{cite web|title=Glossary|url=http://www.railway-technical.com/newglos.shtml#H|work=Railway Technical Web Pages|publisher=Railway Technical Web Pages|accessdate=29 August 2012}}</ref> The headstocks form part of the [[underframe]] of a [[locomotive]] or a [[railroad car]]. The headstocks of locomotives, [[railcar]]s and [[Control car (rail)|cabcars]] also support [[Locomotive headlamp|headlamps]] and the [[Hose (tubing)|hoses]] for [[Railway air brake|air brakes]], [[vacuum brake]]s as well as the [[cable]] |
A '''headstock''' of a [[Railroad car|rail vehicle]] is a transverse structural member located at the extreme end of the vehicle's underframe. The headstock supports the [[railway coupling|coupling]] at that end of the vehicle, and may also support [[Buffer (rail transport)|buffers]], in which case it may also be known as a '''buffer beam'''.<ref name=rtwp>{{cite web|title=Glossary|url=http://www.railway-technical.com/newglos.shtml#H|work=Railway Technical Web Pages|publisher=Railway Technical Web Pages|accessdate=29 August 2012}}</ref> The headstocks form part of the [[underframe]] of a [[locomotive]] or a [[railroad car]]. The headstocks of locomotives, [[railcar]]s and [[Control car (rail)|cabcars]] also support [[Locomotive headlamp|headlamps]] and the [[Hose (tubing)|hoses]] for [[Railway air brake|air brakes]], [[vacuum brake]]s as well as the [[Electrical cable|cables]] for [[Push–pull train|train control]] and [[head end power]]. |
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== Length over headstocks == |
== Length over headstocks == |
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Revision as of 20:52, 12 June 2017
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A headstock of a rail vehicle is a transverse structural member located at the extreme end of the vehicle's underframe. The headstock supports the coupling at that end of the vehicle, and may also support buffers, in which case it may also be known as a buffer beam.[1] The headstocks form part of the underframe of a locomotive or a railroad car. The headstocks of locomotives, railcars and cabcars also support headlamps and the hoses for air brakes, vacuum brakes as well as the cables for train control and head end power.
Length over headstocks
A commonly used measurement relating to a rail vehicle is its length over headstocks, which is the length of the vehicle excluding its couplings or buffers (if any).[2]
An alternative expression for length over headstocks is length over coupler pulling faces, usually applied to Janney couplers.
Typical values
Goods wagons built according to the Calthrop narrow gauge system were 25 feet (7.62 m) over headstocks.
A typical standard gauge wagon headstock length might be 60 feet (18.29 m), or more.
See also
References
- ^ "Glossary". Railway Technical Web Pages. Railway Technical Web Pages. Retrieved 29 August 2012.
- ^ Ellis, Iain (2006). Ellis' British Railway Engineering Encyclopaedia. Raleigh, North Carolina: Lulu.com. p. 196. ISBN 1847286437.
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