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Weight mark "155 PS" on a jointed segment of 155 lb/yd (76.9 kg/m) "Pennsylvania Special" rail, the heaviest grade of rail ever mass-produced Cross-section drawing showing measurements in Imperial units for 100 lb/yd (49.6 kg/m) rail used in the United States, c. 1890s New York Central System Dudley 127 lb/yd (63.0 kg/m) rail cross section
Rail Crane Rail SPA Crane (750 mm) Czech PW maintenance crane Electric crane replacing track on the Toronto streetcar system (1917). A railway crane (North America: railroad crane, crane car or wrecker; UK: breakdown crane) is a type of crane used on a railway for one of three primary purposes: freight handling in goods yards, permanent way (PW) maintenance, and accident recovery work.
A loading gauge is a diagram or physical structure that defines the maximum height and width dimensions in railway vehicles and their loads. Their purpose is to ensure that rail vehicles can pass safely through tunnels and under bridges, and keep clear of platforms, trackside buildings and structures. [1]
Uses a track gauge of 18.83 mm which represents an exact scaling down of the prototype at 4 mm to 1 ft scale. P4 contains an allowance for the tighter curves found on model railways in the wheel back-to-back and related dimensions. S4 removes this allowance, for a dead-scale representation of all trackwork dimensions.
The most common use of the term "track gauge" refers to the transverse distance between the inside surfaces of the two load-bearing rails of a railway track, usually measured at 12.7 millimetres (0.50 inches) to 15.9 millimetres (0.63 inches) below the top of the rail head in order to clear worn corners and allow for rail heads having sloping ...
Arcata and Mad River Railroad, Northern Redwood Lumber Company [85] 1,168 mm 3 ft 10 in: United States (Puerto Rico) El Conquistador Resort: 1,188 mm 3 ft 10 + 25 ⁄ 32 in: Sweden Engelsberg–Norberg Railway: Indonesia Trams in Jakarta: 1,200 mm 3 ft 11 + 1 ⁄ 4 in: China Chaoyang Commuter Rail , Chaoyang District, Shantou, China France
Increasing the structure gauge for a larger loading gauge can involve substantial work. The UK's Midland Main Line being upgraded in 2014. In narrow curves, long cars like this 26.4 m (86 ft 7 in) long express train car protrude further into the gauge than on a straight track.
These were originally just ordinary flat trucks run without a load, but in later years a number of old wagons were kept for this purpose and given diagrams L21 to L23. Cranes also had match trucks of various styles in diagrams L1 to L20. [30] Shunters' trucks were another kind of flat wagon and could be found in diagrams M1 to M5. These had ...