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Jacobs bogies (named after Wilhelm Jakobs, 1858–1942, a German railway engineer) are a type of rail vehicle bogie commonly found on articulated railcars and tramway vehicles. Instead of being underneath a piece of rolling stock, Jacobs bogies are placed between two carbody sections. The weight of each car is spread on one half of the Jacobs bogie. ==Background== The first fast train using this type of bogie was the German Fliegende Hamburger in 1932. In the United States, such configurations have been 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 Pacific Railroad's ''M-10000''. Dallas Area Rapid Transit rail trains originally used a center bogie in a two unit car but are being modified to add a lower center section for handicapped level entry making a 3 unit car with two Jacobs bogies. Vehicles featuring Jacobs bogies include the Alstom-made TGV and Eurostar trains, the Bombardier Talent series of multiple units, the LINT41, the Class 423 S-Bahn vehicles, the Canadian CN Turbo-Trains, several FLIRT trains,〔(Leutenegger Engineering & Consulting Forged Aluminium Parts for Rolling Stock Structures )〕 IC3 by Adtranz and the Škoda ForCity tram. A disadvantage of vehicles using Jacobs bogies is they are semi-permanently coupled and can only be separated in the workshop. In Australia, Jacobs bogies were first used in 1987 on the B class Melbourne trams used on two former suburban railways which had been converted to light rail operation. Intermodal freight trains, such as Pacer Stacktrains, use container well cars in groups of three to five cars, connected as a unit with a connector assembly on top of a standard North American trucks between the individual well cars. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Jacobs bogie」の詳細全文を読む スポンサード リンク
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