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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 ...
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 ...
It is known variously as overhead catenary, overhead contact line (OCL), overhead contact system (OCS), overhead equipment (OHE), overhead line equipment (OLE or OHLE), overhead lines (OHL), overhead wiring (OHW), traction wire, and trolley wire. An overhead line consists of one or more wires (or rails, particularly in tunnels) situated over ...
In 1987, the property occupied by the trolleybus depot in central Bari was sold for redevelopment, and the depot closed and was soon demolished. [1] As a result, trolleybus service ceased, the last day of service being 16 December 1987. [1] [2] A new depot had been built, but it was far from the overhead wiring, and was not equipped for ...
Trolley pole wheel on top of the trolley pole of Twin City Rapid Transit Company No. 1300. A current collector (often called a "pickup") is a device used in trolleybuses, trams, electric locomotives and EMUs to carry electric power from overhead lines, electric third rails, or ground-level power supplies to the electrical equipment of the vehicles.
Dual-mode (diesel-trolley) buses operated 15 September 1990 – 24 January 2005 on routes using the Downtown Seattle Transit Tunnel. The overhead wire system in the tunnel was not connected to that used by surface trolleybus services.
Cargo trolleybus line in Rochon Quarry, Unpho Mine, replacing previous truck based ore transportation system, operated with trolleybuses converted by the mine. [65] Jonchon [66] possible late 2000s A line serving February 8 General Machine Factory. A trolleybus was located within the machine plant between 2011-2014.
The city's aging trolleybuses were spiffed up, and the overhead wire expanded in 1962 to serve the World's Fair, but citywide the Seattle Transit System was increasingly abandoning the trolley routes. One year later in 1963, the commission retired 175 trolleybuses and tore down the overhead wire in the north end of the city and West Seattle. A ...
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