| 摘要 |
A transportation system includes a vehicle having wings, a propulsion system, a lifting gear coupling the vehicle to an undercarriage, and a guidance assembly movably connecting the undercarriage to guide rails. The wings generate aerodynamic lift when the vehicle exceeds a first speed. The lifting gear supports a load of the vehicle in a first position in relation to the undercarriage when the vehicle travels at less than the first speed, allows the vehicle to lift to a second position in relation to the undercarriage as the vehicle accelerates beyond the first speed, and maintains the vehicle in the second position when the vehicle exceeds the first speed. The guidance assembly shiftingly engages the guide rails through rollers that are in rolling contact with the guide rails when the vehicle is in the first position and are displaced from the guide rails when the vehicle is in the second position.
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