Cushions

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Air cushion vehicles are divided into two different categories, those supported by a self-generated cushion of air [aerostatic] and those upon forward speed to develop lift, like an aeroplane [aerodynamic].

Aerostatic types - self-generated cushion of air

Hydrokeel
Captured air bubble
Annular jet
Trunked annular jet
Plenum chamber
Plenum chamber
with skirts

Velocity Series

Here, the cushion is put down under pressure by a fan or fans and contained beneath the hull by flexible skirts or by rigid sidewalls.

Aerodynamic types - lift developed by forward speed

Ram wing
with sidewalls
Channel-flow wing
with sidewalls
Wing-in-ground effect

Hoverflight Series

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Last Modified: June 09, 2005

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