Slutsky, Jonathan Naval Surface Warfare Center, Carderock Division, West Bethesda, Maryland.
- Design and construction
- Wing-in-ground-effect craft
- Related Primary Literature
- Additional Reading
A transportation vehicle that rides slightly above the Earth's surface on a cushion of air, also called a hovercraft. The air is continuously forced under the vehicle by a fan, generating the cushion that greatly reduces friction between the moving vehicle and the surface. The air is usually delivered through ducts and injected at the periphery of the vehicle in a downward and inward direction via a flexible skirt that creates a chamber where the high-pressure air cushion is formed (Fig. 1). Because the vehicle is not in contact with the surface, it has six dimensions of motion. See also: Degree of freedom (mechanics); Ducted fan
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