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The valve gear, actuated by connection to the driving wheels, ensures that steam is delivered to the piston with precision. Types are slide valves, piston valves or poppet valves. [2] [3]: 62 Valve chest / Steam chest Valve chamber next to the cylinder (24) containing passageways to distribute steam to the cylinders. [6]: 41 [3]: 75 Firebox
The committees, whose volunteer members come from the railroad industry, meet on a regular basis and use their expertise to come up with the best methods to maintain a railroad. [2] Structures Timber Structures (Committee 7) Concrete Structures & Foundations (Committee 8) Seismic Design for Railway Structures (Committee 9)
Mason developed a set of standard plans based on this design with modified steam delivery systems. [1] His first locomotive was the Onward, a 3 ft (914 mm) gauge 0-4-4T completed 1 July 1872. Onward would enter service on the American Fork Railroad shortly afterwards before being moved to the Eureka and Palisade Railroad in 1873. [3]
However, while the locomotives were being built, the decision was made to convert all the SWA narrow gauge lines to Cape gauge. In terms of a prior agreement between the SAR and the Tsumeb Copper Corporation, the SAR would purchase any narrow gauge locomotives that would become redundant should the re-gauging of the SWA system take place.
The Chicago and North Western Railway D Class was a class of 92 American 4-4-2 "Atlantic" locomotives. They were built by Schenectady Locomotive Works and by its corporate successor the American Locomotive Company between 1900 and 1908.
The Denver and Rio Grande Western K-37 is a class of 2-8-2 "Mikado" type narrow-gauge steam locomotives built for the Denver and Rio Grande Western Railroad.They were new steam locomotives built in the D&RGW Burnham Shops as a near copy of the Rio Grande class K-36. [3]
Tremont and Gulf Railroad No. 30 is a preserved class 30 2-8-2 "Mikado" steam locomotive built by the Baldwin Locomotive Works in 1917 for the Tremont and Gulf Railroad. It was used by the T&G for hauling freight trains in branch lines throughout the state of Louisiana until 1954, when it was sold to the Magma Arizona Railroad and renumbered 7.
Water gauge on a steam locomotive. Here the water is at the “top nut”, the maximum working level. Note the patterned backplate to help reading and toughened glass shroud. A sight glass or water gauge is a type of level sensor, a transparent tube through which the operator of a tank or boiler can observe the level of liquid contained within.