In Institute for Posts and Telecommunications Policy, a postal transportation system has been studied. This system would make use of linear induction motor (LIM)-driven vehicles for conveying mail between post offices in the Tokyo metropolitan area. The system would connect the main post offices in the Tokyo area with tunnels circularly constructed underground and transport mail using linear induction motor-driven vehicles. In this study, it is found that if vehicle weight were reduced climbing capabitity could be considerably improved. Accordingly, the potential for reducing the LIM weight mounted vehicles have been explored, and a prototype light-weight LIM has been manufactured. This paper report on the light-weight LIM produced and its characteristics.
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