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Collects steam at the top of the boiler (well above the water level) so that it can be fed to the engine via the main steam pipe, or dry pipe, and the regulator/throttle valve. [2] [5] [6]: 211–212 [3]: 26 Air pump / Air compressor Westinghouse pump (US+) Powered by steam, it compresses air for operating the train air brake system.
The London and South Western Railway (LSWR) 0298 Class or Beattie Well Tank is a class of British steam locomotive. They are 2-4-0 WT s, originally built between 1863 and 1875 for use on passenger services in the suburbs of London , but later used on rural services in South West England .
Diagram showing lap and lead and their relation to valve travel. When on the move, a steam locomotive requires steam to enter the cylinder at precise times relative to the piston's position. [3] This entails controlling the admission and exhaust of steam to and from the cylinders with a valve linked to the motion of the piston. [3]
An axlebox, also known as a journal box in North America, is the mechanical subassembly on each end of the axles under a railway wagon, coach or locomotive; it contains bearings and thus transfers the wagon, coach or locomotive weight to the wheels and rails; the bearing design is typically oil-bathed plain bearings on older rolling stock, or roller bearings on newer rolling stock.
These used steel plates about 1–2 in (25.4–50.8 mm) thick. They were mainly used in Britain and continental Europe. On most locomotives, the frames would be situated within the driving wheels ("inside frames"), but some classes of an early steam locomotive and diesel shunters were constructed with "outside frames".
As the engine aged and parts replaced, the engine's appearance changed. The engine received a diamond stack for burning coal, its boiler replaced with a tapered design, and was reduced to a two dome configuration. [citation needed] In 1868, a fire partially destroyed the William Crooks. Albion B. Smith was tasked with restoring the locomotive ...
As well, steam locomotive exhaust systems typically vent cylinder steam exhaust through the chimney, to enhance the draught through the boiler. Chimneys are designed to carry the exhaust steam and smoke clear of the driver's line of sight while remaining short enough to clear overhead structures. Some chimneys included apparatus to suppress the ...
The Reuben Wells was the first steam engine to work the grade by adhesion alone, pushing the cars up the hill as well as supporting them on the descent starting in 1880. [6] The Reuben Wells was completed in the railroad shops [7] in 1868, and quickly proved to be a success leading to the creation of a second locomotive in 1869 named M. G. Bright.