Headstock (rolling stock)
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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]
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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