The system and propulsion and support method for ships and aircraft vtol, the type of oscillating pump consists of one or more fins, attached and oscillating around one of its edge or axis near the intersection of the extension of the two rectangular walls of the dihedral. Of the section of the divergent conduit in the form of a triangular prism in which it moves, the fins are driven by motors, actuators, electromagnets, etc. And they can be rectangular or trapezoidal, rigid or flexible, increasing the flexibility towards the area of greater radius. (Machine-translation by Google Translate, not legally binding)
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