The invention relates to a control system of a hovercraft comprising one engine and one propulsion fan (1) enclosed in a duct (2) in which swivel side flaps (3) are located, said control system being characterized in that downstream the duct (2) there are ...

Apparatus for controlling the lift of at least one large structural object so as to be easily moved in horizontal direction while maintaining the bottom plate of the object horizontal, comprising: a plurality of air-casters each of which has a torus bag; p...