Air cushion vehicle propulsion system

Details Air cushion vehicle propulsion system Air cushion vehicle propulsion system

1977-03-25

1979-05-29

Silverstrim, John P.

Motor vehicles

Surface effect vehicles

Having propulsion or control means

244 125, B60V 114

Patent

active

041564758

ABSTRACT:
A rapidly reversible air propeller shroud system is provided for operating an air cushion vehicle more efficiently both in forward and reverse direction travel and maneuvering modes. The shroud includes a sectionally rigid portion of aerodynamically efficient form for operating the vehicle in one direction of travel; and in combination therewith an otherwise inoperative inflatable collar which may be rapidly inflated to expand so as to modify the aerodynamic characteristics of the shroud for operation of the propeller efficiently in reverse direction thrust mode.

REFERENCES:
patent: 2948111 (1960-08-01), Nelson
patent: 3331462 (1967-07-01), Wernicke
patent: 3398809 (1968-08-01), Wood
patent: 3524611 (1970-08-01), Frank
patent: 3605672 (1971-09-01), Strumbos
patent: 3827527 (1974-08-01), Bertelsen

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