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"STAR21" was the name given to the 9-car experimental Shinkansen train developed in 1992 by the East Japan Railway Company (JR East) in Japan to test technology to be incorporated in next-generation shinkansen trains operating at speeds of or higher. The name was an acronym for "Superior Train for the Advanced Railway toward the 21st Century". ==Design== The train consisted of nine cars arranged in two distinct "halves", with the Class 952 half-set consisting of four separate vehicles, and the Class 953 half-set consisting of five articulated vehicles using shared bogies.〔〔 Three different construction methods were used for the vehicle bodies. Cars 1 to 3 used welded hollow aluminium extrusions, cars 4 to 5 used brazed aluminium honeycomb panels, and cars 6 to 9 used an aircraft-style Duralumin fuselage construction.〔 The front-end design of the two driving vehicles (952-1 and 953-5) were slightly different, although both used a wedge-shaped profile with little lateral taper.〔 The external livery was light green for the Class 952 cars (including half of car 953-1), "snow" grey for cars 953-1 to 953-3, and beige for cars 953-3 to 953-5, with a light blue window band throughout the length of the train.〔 Internally, cars were fitted with passengers seats, arranged 2+2 abreast for standard class cars, and 2+1 abreast for the Green car (952-4).〔 Five different types of lightweight seating design were tested.〔 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「STAR21」の詳細全文を読む スポンサード リンク
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