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The chain (abbreviated ch) is a unit of length equal to 66 feet (22 yards), used in both the US customary and Imperial unit systems. It is subdivided into 100 links . [ 1 ] [ 2 ] There are 10 chains in a furlong , and 80 chains in one statute mile . [ 2 ]
Buffers and chain coupler from 1859 to 1873. [22]Johnston link-and-pin from 1873 to 1927 on Cape gauge, from 1906 on 2 ft (610 mm) narrow gauge in Natal. [23] [24]Bell-and-hook from 1902 on 2 ft (610 mm) narrow gauge in the Cape of Good Hope.
Buffers and chain couplers (or couplings) – also known as "buffers and screw", "screw", and "screwlink" – are the de facto International Union of Railways (UIC) standard railway coupling used in the EU and UK, and on some railways in other parts of the world, such as in South America and India, on older rolling stock.
Had a plantation railway 044 Barbados: Had a public railway. Has a 3 km tourist line opened in 2019. 052 Belize: Had one public railway and a number of private lines 084 Brunei: Has a 4 km section of pier railway (so is outside the definition for this article) 096 Burundi: Had an internal port railway 108 Cape Verde: Had a harbour railway 132
The basic type of coupling on railways following the British tradition is the buffer and chain coupling. A large chain of three links connects hooks on the adjoining wagons. These couplings followed earlier tramway practice but were made more regular. Buffers on the frame of the wagon absorbed impact loads, as the train overran a slowing ...
A railway ending in a locality (terminus) with no other rail services. Typically includes buffer stops at the end of the tracks. The opposite of rail crossing Dead man's handle A safety mechanism on a train controller that automatically applies the brake if the driver releases the handle. It is intended to stop a train if the driver is ...
Prototype Mark 2 13252 fitted with dual buffer-and-chain/janney coupler at the Mid-Norfolk Railway in April 2009 Dual couplings and adapters Coupling adapter for use between Janney coupler on a locomotives and WABCO-2 couplers fitted to commuter rail multiple units at New York's Pennsylvania Station .
The centre of the buffer on European railway vehicles must be between 940 and 1,065 mm above the top of rail. Spain was an exception for a long time. A buffer separation of 1,950 mm was specified there because of the force transmitted to the longitudinal beams of the wagons, which are further apart due to their broad gauge railways.