1. A FLUID SUSTAINED VEHICLE HAVING A CENTRAL BODY PORTION WITH A PAIR OF WINGS MOUNTED ON SAID BODY PORTION; A PAIR OF FLUID-TRANSPORTING PROPULSIVE IMPELLERS MOUNTED ON SAID VEHICLE ON OPPOSITE SIDES OF SAID BODY PORTION; SPANWISE SHAFT MEANS ROTATABLY MOUNTED ON SAID WINGS SUBSTANTIALLY IMMEDIATELY ADJACENT TO SAID WINGS AND HAVING AN UPPER SHAFT SURFACE EXPOSED TO THE FLUID FLOW, WITH SAID UPPER SHAFT SURFACE MOVING REARWARDLY IN A DOWNSTREAM DIRECTION TO ENERGIZE THE FLOW OF THE UPPER SURFACE OF SAID WINGS; SAID SHAFT MEANS INTERCONNECTING SAID