Very high speed ground transportation system

Details Very high speed ground transportation system Very high speed ground transportation system

1989-11-29

1991-07-09

Oberleitner, Robert J.

Railways

Tubular way

105365, B61B 1300

Patent

active

050295314

ABSTRACT:
A system for very high speed ground transportation employing vehicles running in tunnels. The interior surface of the tunnels is a helical thread, and the wheels of the vehicle are helical gears meshing with the helical interior surface of the tunnel so as to provide positive traction. The vehicles have top traction wheels as well as bottom traction wheels in order to provide dynamic stability at very high vehicular speeds. Each vehicle carries an inner compartment coupled to the vehicle so that the compartment may be continually positioned relative to the vehicle in order to provide passenger comfort and/or cargo safety as the vehicle moves down the tunnel when the longitudinal axis of the tunnel has curvature.

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patent: 4677865 (1987-07-01), Lehmann
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