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Spiral (railway) - Wikipedia
A spiral (sometimes called a spiral loop or just loop) is a technique employed by railways to ascend steep hills. A railway spiral rises on a steady curve until it has completed a loop, passing over itself as it gains height, allowing the railway to gain vertical elevation in a relatively short horizontal distance. It is an … See more
Argentina
• Two spirals between Tacuara and Meseta at 24°26′10″S 65°50′28″W / 24.4361°S 65.8412°W and 24°23′17″S 65°51′01″W / 24.3881°S… See more• Spiral bridge - road equivalent
• Hairpin turn
• List of steepest gradients on adhesion railways
• Zig Zag Railways See moreWikipedia text under CC-BY-SA license Dunderberg Spiral Railway - Columbia University
webT he Dunderberg Spiral Railway was a pleasure railroad partially constructed in 1890-1891 on a mountain near Jones Point, Rockland County, New York. It was never finished. The first part of the ride would …
Brusio spiral viaduct - Wikipedia
Bethungra Spiral - Wikipedia
Spiral Tunnels at the Big Hill - Atlas Obscura
Dunderberg Spiral Railway: History - Columbia University
webIn the Prospectus of the Dunderberg Spiral Railway, issued in November 1889, H J Mumford gives a "lowest estimate" of 300,000 visitors per year, assuming only 6 hours of operation per day over a 150-day season, and …
The Beautiful Spiral Railways Of Sicily - YouTube
(PDF) railroad spiral design (2012) | Louis Klauder
webView PDF. This paper reviews forms of spiral geometry that have been used and proposed as transition shapes in railroad tracks and compares them with respect to dynamic performance and spiral length. The dynamic …
About: Spiral (railway) - DBpedia Association
Raurimu Spiral | Engineering NZ
webThe Raurimu Spiral is considered an engineering masterpiece. In 1898, its design cemented the route of the North Island Main Trunk (NIMT) railway through the Central Plateau. Engineer Robert West Holmes’ (1856-1936) …
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