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The Grand Duchy of Baden State Railway was constructed in 1840–1851 to 5 ft 3 in (1,600 mm) gauge before being converted to 4 ft 8 + 1 ⁄ 2 in (1,435 mm) in 1854–1855. 1843 The Board of Trade of the United Kingdom of Great Britain and Ireland , after investigating a dispute caused by diverse gauges, recommended the use of 5 ft 3 in ( 1,600 ...
The track gauge adopted by the mainline railways in Ireland is 1,600 mm (5 ft 3 in).This unusually broad track gauge is otherwise found only in Australia (where it was introduced by the Irish railway engineer F. W. Sheilds), in the states of Victoria, southern New South Wales (via some extensions of the Victorian rail network) and South Australia, as well as in Brazil.
All other railways use 1,668 mm (5 ft 5 + 21 ⁄ 32 in) (broad gauge); some use 1,000 mm (3 ft 3 + 3 ⁄ 8 in) metre gauge; Decauville uses 500 mm (19 + 3 ⁄ 4 in) gauge. Planned and under construction high-speed railways to use 1,668 mm ( 5 ft 5 + 21 ⁄ 32 in ) to maintain interoperability with the rest of the network.
While HO scale is a 1:87 scale (3.5 mm to 1 foot), resulting in a 16.5 mm (0.65 in) gauge from real life prototype 1,435 mm (4 ft 8 + 1 ⁄ 2 in) standard gauge standard gauge. Conversely, modeling standard gauge in Lego trains would yield a scaling of (37.5:1435 =) 1:38.3.
This is a category for all broad gauge railways built with a track gauge of 5 ft 3 in (1,600 mm). Subcategories This category has the following 7 subcategories, out of 7 total.
Some railways, primarily in the northeast, used standard gauge of 4 ft 8 + 1 ⁄ 2 in (1,435 mm); others used gauges ranging from 2 ft (610 mm) to 6 ft (1,829 mm). As a general rule, southern railroads were built to one or another broad gauge, mostly 5 ft ( 1,524 mm ), while northern railroads that were not standard-gauge tended to be narrow-gauge.
Many tramway networks initially built to narrow gauges (750 mm or 2 ft 5 + 1 ⁄ 2 in or 1,000 mm or 3 ft 3 + 3 ⁄ 8 in metre gauge) were converted to broad gauge. As of 2015, only a few out of more than sixty tram systems in Russia are not broad gauge: 1,000 mm in Kaliningrad and Pyatigorsk , 1,435 mm ( 4 ft 8 + 1 ⁄ 2 in ) in Rostov-on-Don .
A board foot is a United States and Canadian unit of approximate volume, used for lumber. It is equivalent to 1 inch × 1 foot × 1 foot (144 cu in or 2,360 cm 3). It is also found in the unit of density pounds per board foot. In Australia and New Zealand the terms super foot or superficial foot were formerly used for this unit. The exact ...