valve trains

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• Electro-pneumatic brake system on British railway trains — The Electro pneumatic brake system on British railway trains was introduced in 1950. The Southern Region of British Railways operated an intensive self contained fleet of electric multiple units for suburban and middle distance passenger trains.… …   Wikipedia

• Over-arcing — is a nearly self descriptive term which denotes a radial or parabolic like arc which is extended, for whatever reason, beyond the path of which it was either intended to follow, or could have followed, given that a more efficient means had been… …   Wikipedia

• Wrench — For other uses, see Wrench (disambiguation). A set of chrome vanadium metric wrenches, open at one end, box/ring at the other. This type is commonly known as a combination wrench. A wrench or spanner is a tool used to provide grip and mechanical… …   Wikipedia

• Wankel engine — The Wankel engine is a type of internal combustion engine which uses a rotary design to convert pressure into a rotating motion instead of using reciprocating pistons. Its four stroke cycle is generally generated in a space between the inside of… …   Wikipedia

• Railway air brake — Piping diagram from 1920 of a Westinghouse E T Air Brake system on a locomotive …   Wikipedia

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• Northern Counties Committee — The Northern Counties Committee (NCC) was a railway that served the north east of Ireland. It was built to Irish gauge (1,600 mm (5 ft 3 in)) but later acquired a number of 914 mm (3 ft)  narrow gauge… …   Wikipedia

• Railway brake — A traditional clasp brake: the brake shoe (brown) bears on the surface (tyre) of the wheel (red), and is operated by the levers (grey) on the left …   Wikipedia

• Steam locomotive — A steam locomotive is a locomotive powered by steam. The term usually refers to its use on railways, but can also refer to a road locomotive such as a traction engine or steamroller.Steam locomotives dominated rail traction from the mid 19th… …   Wikipedia

• 4-6-2 — Under the Whyte notation for the classification of steam locomotives, a 4 6 2 locomotive has four leading wheels (generally arranged in a leading truck), six coupled driving wheels and two trailing wheels (often but not always in a trailing… …   Wikipedia

• Glossary of rail terminology — Rail transport Operations Track Maintenance High speed Gauge Stations …   Wikipedia