| 摘要 |
A vertical take-off and vertical descent aircraft having a vertically extending main air duct extending through the body and having an air inlet at the top and a number of air outlets at the bottom, two oppositely rotatable impellers located in said duct and operable to create a downward thrust of air, wing ducts extending from an air distributor to spaced apart extremities of the wings and exiting in downward directions for stabilization, a rear air duct at the rear of the body with an air outlet for forward propulsion and directional control, and means for controlling air direction at the outlet of each of the wing ducts and at the bottom outlet duct and at the rear outlet.
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