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UIC loading gauges. The International Union of Railways (UIC) has developed a standard series of loading gauges named A, B, B+ and C. PPI – the predecessor of the UIC gauges had the maximum dimensions 3.15 by 4.28 m (10 ft 4 in by 14 ft 1 in) with an almost round roof top. UIC A: The smallest (slightly larger than PPI gauge). [5]
As shown on the photographs at right, the code may be arranged either vertically (e.g. on closed wagons) on three or more lines at man's height with the letter codes next to the corresponding part of the digit code, or horizontally (e.g. on flat wagons) at the bottom of the chassis side with all digits together (with groups separated by spaces and the check digit by a dash) and all letters ...
In France, the UIC classification is used for diesels and electrics while a scheme similar to the Whyte notation, but counting axles instead of wheels, is used for steam locomotives. Notably, Switzerland had its own separate notation system until 1989, with the Swiss locomotive and railcar classification now only retained for its narrow-gauge ...
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The UIC uses the following structure: [4] Upper-case letters Indicate driving axles, starting at A for a single axle. B thus indicates two and C indicates three consecutive pairs of driving wheels. Lower-case "o" Related to driving axles (minimum 2, "B"), indicates they are individually driven by separate traction motors. Numbers
The UIC Country Code is a two digit-number identifying countries in which members of the International Union of Railways (UIC) are active. The UIC has issued numbering systems for rolling stock (UIC wagon numbers) and stations that include the country code. The values are defined in UIC leaflet 920-14.
The first C-C design recorded was a narrow-gauge Hornsby opposed-piston Hornsby-Akroyd-engined locomotive of 1903 for the Chattenden and Upnor Railway. There was a two-speed mechanical transmission with drive shafts to the bogies and the axles on each bogie were linked by coupling rods .
Thus the scale and approximate prototype gauge are represented, with the model gauge used (9 mm for H0e gauge; 6.5 mm for H0f gauge) being implied. [ 2 ] The scales used include the general European modelling range of Z, N, TT, H0, 0 and also the large model engineering gauges of I to X, including 3 + 1 ⁄ 2 , 5, 7 + 1 ⁄ 4 and 10 + 1 ⁄ 4 ...