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5 ft 3 in gauge railways
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5 ft 3 in gauge railways
Railways with a track gauge of 5 ft 3 in (1,600 mm) fall within the category of broad-gauge railways. As of 2022[update], they were extant in Australia, Brazil and on the island of Ireland.
The Pennsylvania trolley gauges of 5 ft 2+1⁄2 in (1,588 mm) and 5 ft 2+1⁄4 in (1,581 mm) are similar to this gauge, but incompatible. There is also a 5 ft 2 in (1,575 mm) gauge. See: Track gauge in Ireland.
Before the advent of diesel and electric traction, one of the advantages of the broader 5 ft 3 in (1,600 mm) Irish gauge compared to 4 ft 8+1⁄2 in (1,435 mm) was that more space between steam locomotive frames allows for a bigger firebox, enabling generation of more steam.
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5 ft 3 in gauge railways
Railways with a track gauge of 5 ft 3 in (1,600 mm) fall within the category of broad-gauge railways. As of 2022[update], they were extant in Australia, Brazil and on the island of Ireland.
The Pennsylvania trolley gauges of 5 ft 2+1⁄2 in (1,588 mm) and 5 ft 2+1⁄4 in (1,581 mm) are similar to this gauge, but incompatible. There is also a 5 ft 2 in (1,575 mm) gauge. See: Track gauge in Ireland.
Before the advent of diesel and electric traction, one of the advantages of the broader 5 ft 3 in (1,600 mm) Irish gauge compared to 4 ft 8+1⁄2 in (1,435 mm) was that more space between steam locomotive frames allows for a bigger firebox, enabling generation of more steam.
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