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A tram with a suspended articulation is a type of tram or streetcar architecture with one or more articulations being suspended. Here, articulations (i.e. permanent coupling) work like a hinge joint and are not supported by a bogie. This is unlike the more common solution with an articulation resting on a special connecting bogie, called jacobs ...
Trams have been used since the 19th century, and since then, there have been various uses and designs for trams around the world. This article covers the many design types, most notably the articulated, double-decker, drop-centre, low-floor, single ended, double-ended, rubber -tired, and tram-train; and the various uses of trams, both historical and current, most notably cargo trams, a dog car ...
Some articulated trams have bogies located under articulations, a setup referred to as a Jacobs bogie. Often, low-floor trams are fitted with nonpivoting bogies; many tramway enthusiasts see this as a retrograde step, as it leads to more wear of both track and wheels and also significantly reduces the speed at which a tram can round a curve.
The Nevelo is a three-section, articulated, 100% low-floor pivoting bogie tram that accommodates 60 seated passengers and 175 standing. It has several features designed to lower operating costs, including regeneration with supercapacitor energy storage. The wheels and suspension are claimed to reduce wear.
Jakobs bogie of the Pioneer Zephyr (CB&Q 9900, Budd 1934). The first fast train using this type of bogie was the German Fliegender Hamburger in 1932. In the United States, such configurations were used throughout the twentieth century with some success on early streamlined passenger trainsets, such as the Pioneer Zephyr in 1934, various Southern Pacific Daylight articulated cars, and Union ...
The tram weighs 64.2 tonnes (63.2 long tons; 70.8 short tons) empty, and 78.3 tonnes (77.1 long tons; 86.3 short tons) with payload. [31] Each of the four bogies have two three-phase asynchronous motors on a steel bogie with two axles. The wheels have a 680-millimeter (27 in) diameter when new and 610-millimeter (24 in) when fully worn.
The length varies with either three, four, five or seven articulated modules. The floor height is 350 millimetres (14 in) over the rail. The seating and standing arrangements are flexible, and the trams feature 1,350 millimetres (53 in) wide doors. The tram has hub motors on all wheels, thus eliminating the need for axles and bogies. These ...
The trams are six-axle single-articulated double-ended cars, with four doors on each side. The low floor section stretches between both the outer doors through the articulation (which rests on an unpowered bogie). Between the outer door and each car end is a higher-floor section, accessed up a step and situated over the car's two power bogies.