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Firebox of a GWR 6959 Class steam locomotive, showing the underside of the brick arch, constructed from specially-shaped firebricks. Empty firebox of a Baureihe 52, showing the brick arch. There is a large brick arch (made from fire brick) attached to the front wall (boiler throat plate) of the firebox immediately beneath the firetubes. This ...
The inner firebox was D-shaped in plan, with a flat tubeplate. Fireboxes of this time did not yet have a brick arch and so the Bury firebox was relatively short in length but tall, to give an adequate length of combustion path. The outer firebox was a vertical cylinder, formed into a tall hemispherical dome above it. [3]
This template is for railway locomotives. For trams/streetcars, multiple units, passenger cars and freight cars, use Template:Infobox train. Template parameters [Edit template data] This template prefers block formatting of parameters. Parameter Description Type Status name name The name that will appear above the top line of the infobox. If it is the name of a specific locomotive, then it ...
A locomotive boiler with a wide firebox may have arch tubes or thermic syphons. As firebox technology developed, it was found that placing a baffle of firebricks (heat-resistant bricks) inside the firebox to direct the flow of hot flue gasses up into the top of the firebox before it flowed into the fire tubes increased efficiency by equalizing ...
The round-topped firebox with its 75 square feet (7.0 square metres) grate area was fired by a duplex mechanical stoker, the only class on the SAR which had this feature. The firebox contained two Nicholson thermic syphons and two arch tubes. Clyde Superior soot blowers were fitted on each side of the firebox.
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Firebox: • Grate area: Original: 35 sq ft (3.3 m 2) Rebuilt: 50 sq ft (4.6 m 2) Boiler: Original: Diagram 103 Rebuilt: Diagram 111: Boiler pressure: Original: 450 psi (3.10 MPa) Rebuilt: 250 psi (1.72 MPa) Cylinders: Original: Four (compound); two high pressure inside; two low pressure outside Rebuilt: Three (simple) Cylinder size