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Trolley pole on a Toronto streetcar, tipped with a trolley shoe. A trolley pole is a tapered cylindrical pole of wood or metal, used to transfer electricity from a "live" (electrified) overhead wire to the control and the electric traction motors of a tram or trolley bus. It is a type of current collector.
Trolley poles are still used by trolleybuses, whose freedom of movement and need for a two-wire circuit makes pantographs impractical, and some streetcar networks, such as the Toronto streetcar system, which have frequent turns sharp enough to require additional freedom of movement in their current collection to ensure unbroken contact. However ...
Model railroad company Con-Cor initially planned on releasing an HO scale Electroliner train set in 2003/2004, but cancelled the project due to lack of interest, [6] and produced a Pioneer Zephyr set instead. In 2007, the company announced that the project was being resumed; its model was released in mid-2009. [7]
[1] [2] [3] The steel-bodied 800-900-series streetcars were double-ended (two sets of operating controls and two trolley poles), double-trucked, with an arched roof. Unable to fill the massive order entirely on their own, Thomas Car Works subcontracted a portion of the order to Philadelphia -based competitor J. G. Brill (using the Thomas design).
HO or H0 is a rail transport modelling scale using a 1:87 scale (3.5 mm to 1 foot). It is the most popular scale of model railway in the world. [1] [2] The rails are spaced 16.5 millimetres (0.650 in) apart for modelling 1,435 mm (4 ft 8 + 1 ⁄ 2 in) standard gauge tracks and trains in HO.
With over 14,000 units, Tatra T3 is the most widely produced type in history. [1]A tram (also known as a streetcar or trolley in Canada and the United States) is an urban rail transit in which vehicles, whether individual railcars or multiple-unit trains, run on tramway tracks on urban public streets; some include segments on segregated right-of-way.