Knolle Magnetrans: A Magnetically Levitated Train System

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by Ernst G. Knolle, Knolle Magnetrans, South San Francisco, United States,

Document Type: Proceeding Paper

Part of: High Speed Ground Transportation Systems I: Planning and Engineering

Abstract: New permanent magnet materials can now withstand repulsion indefinitely without loss of magnetism. Vehicular magnetic levitation occurs when a track and the undersides of vehicles thereon are covered with such materials having vertically opposing poles. A continuous maglev transportation system results when a light weight endless string of such levitated vehicles is propelled by stationary linear induction motors. A further advantage is added by mechanical precision enforcement of acceleration, deceleration and headway, similar to ski lift and cable car systems. Permanent magnets in repulsion are the basis of the development of the Knolle Magnetrans transit system. It is a continuous transportation system that also features mechanical acceleration, deceleration and headway control and propulsion by stationary linear induction motors. Its components have been tested either in working models or full size prototypes indicating that the concept is feasible. If installed and operated as proposed, the Knolle Magnetrans should be able to provide low cost, high volume and high speed passenger service in urban and interurban applications.

Subject Headings: Magnetic fields | Vehicles | Magnetic levitation trains | Rail transportation | Linear functions | Cables | Passengers | Interurban travel |

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