| 摘要 |
An aircraft includes a fuselage with a circular airfoil body supported thereabove on a vertical drive shaft mechanism. The airfoil body includes an upper disk forming an upper surface of the body and a lower disk forming a lower surface of the body in which the upper and lower disks are supported at a fixed spacing on the vertical drive shaft mechanism for counter-rotation. Vanes are supported in both the upper and lower disks which are movable between a takeoff position in which the vanes are supported in respective openings in the disk for diverting air downwardly through the openings in the disks as the disks are rotated and a cruising position in which a surface of the vanes are continuous with the respective upper and lower surfaces of the bodies.
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