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Alstom Metropolis 98B is an electric multiple unit produced by the French conglomerate Alstom and operated by the Warsaw Metro as their third-generation of rolling stock. . Between 2000 and 2002, and again between 2004 and 2005, a total of 108 carriages were constructed at the manufacturer’s plants in Barcelona and Chorzów, forming 18 six-car
The Mogai class (モガイ) was a class of steam tank locomotives of the Chosen Government Railway (Sentetsu) with 2-6-0 wheel arrangement. [1] The "Moga" name came from the American naming system for steam locomotives, under which locomotives with 2-6-0 wheel arrangement were called "Mogul". [2]
If for the high-speed American type 2-6-1 with an average design axle load from the driving wheel pair on the rail - 26.9 tons - back in 1926, it was possible to successfully implement the specified traction and speed characteristics, then for the high-speed Soviet design version, taking into account given axial load - 20 tons, the number of ...
A coupling or coupler is a mechanism, typically located at each end of a rail vehicle, that connects them together to form a train. The equipment that connects the couplers to the vehicles is the draft gear or draw gear, which must absorb the stresses of the coupling and the acceleration of the train.
The notation in its basic form counts the number of leading wheels, then the number of driving wheels, and finally the number of trailing wheels, numbers being separated by dashes. [3] For example, a locomotive with two leading axles (four wheels) in front, then three driving axles (six wheels) and then one trailing axle (two wheels) is ...
The coupling rod's off-center attachment to the crank pin of the driving wheel inevitably creates an eccentric movement and vibration when in motion. To compensate for this, the driving wheels of an inside-frame locomotive always had built-in counterweights to offset the angular momentum of the coupling rods, as shown in the figures above.
The SAR Class H locomotives were gradually also modified to a 4-8-2T wheel arrangement. The first three of these, SAR numbers 240, 294 and 305, were renumbered again to 329, 330 and 331 respectively, but the rest retained their Class H engine numbers after modification. Their builders, works numbers and renumbering are listed in the table. [1 ...
The coupler on no. 2274 is one of the transition period knuckle couplers with a horizontal gap and a vertical hole in the knuckle itself to accommodate, respectively, a link and a pin to enable the locomotive to couple to rolling stock which was still equipped with the older link-and-pin type couplers. [1] [3] [4]