| 摘要 |
An air cushion vehicle operable over land, water and ice separately and in any combination, wherein there is a hull of "lighter" configuration adapted to be collapsed for highway transport and to be expanded for use with a prime mover fan both for lift and propulsion when in use, with a perimeter skirt and a center roll stabilizer responsive to air pressures in separated chambers established thereby, and with a tread type labyrinth seal for lift air control, and there being a steerable nose wheel and trailing casters for direction control.
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