| 摘要 |
An air cushion vehicle of the type wherein air at superatmospheric pressure in a plenum supports a vehicle and the vehicle is provided with an inflatable bag skirt, there being a duct extending between a blower on the one hand and both the bag skirt and the plenum on the other, the plenum containing a door which can be opened or closed to control pressure differential between the inflatable skirt and the plenum whereby the vehicle may be lifted to take-off point with the plenum door closed, and take-off can be achieved by opening of the plenum door.
|
