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The grooved trolley wheel was used on many large city systems through the 1940s and 1950s; it was generally used on systems with "old" style round cross sectional overhead wire. The trolley wheel was problematic at best; the circumferential contact of the grooved wheel bearing on the underside of the overhead wire provided minimal electrical ...
An overhead line or overhead wire is an electrical cable that is used to transmit electrical energy to electric locomotives, electric multiple units, trolleybuses or trams. The generic term used by the International Union of Railways for the technology is overhead line . [ 1 ]
Busscar trolleybus in São Paulo, Brazil Solaris trolleybus in Landskrona, Sweden Video of a trolleybus in Ghent, Belgium. A trolleybus (also known as trolley bus, trolley coach, trackless trolley, trackless tram – in the 1910s and 1920s [1] – or trolley [2] [3]) is an electric bus that draws power from dual overhead wires (generally suspended from roadside posts) using spring-loaded ...
Boston Neoplan DMA-460LF dual-mode trolleybus, operating in diesel mode (with its trolley poles lowered). A dual-mode bus is a bus that can run independently on power from two different sources, typically electricity from overhead lines like a trolleybus or from batteries like a hybrid bus, alternated with conventional fossil fuel (generally diesel fuel).
It includes all trolleybus systems, past and present. About 65 [1]: 78 trolleybus systems have existed in the U.S. at one time or another. In this list, boldface type in the "location" column and blue background colored row indicates one of the four U.S. trolleybus systems still in operation.
Following the death of its founder in 2008 and his son in 2012, the condition of the wiring and vehicles began to deteriorate. Operation ended in 2016 and the remaining overhead wires were removed in 2023. [18] Preserved trolleybuses still operate at Ferrymead Heritage Park in Christchurch. The Ferrymead collection has trolleybuses from every ...
Trolleybuses have been replaced with autonomous electric buses from April 2019. Tateyama Tunnel Trolleybus: Daikanbō – Murodō: 23 April 1996 30 November 2024 (scheduled) [36] Trolleybuses to be replaced with electric buses from April 2025. [37] Kyōto-shiei Trolleybus (京都市営トロリーバス) Kyoto: 1 April 1932 30 September 1969 [34]
In late 1962 Atlanta Transit decided to phase out all trolleybus service the next year, to avoid the expense of having to string new overhead wires when extending service to new areas. [4] Another reason cited was the anticipated high cost and difficulty of obtaining new trolleybuses to replace ATC's large fleet, which ranged in age from 14 to ...