To provide an electric vertical takeoff/landing aircraft having considerably high safety to an operator and a person to be rescued, and capable of stably performing transition flight transferring from the aerial-stop posture to the horizontal flight posture.
The electric vertical takeoff/landing aircraft comprises duct fans 1-4 exclusive for takeoff/landing, a center fuselage 7 equipped with the duct fans, a center boom 9 extending backwardly from the center of the center fuselage 7, a left boom 11 and a right boom 10 extending backwardly respectively from the right and left rear ends, right and left duct fans 5, 6 for propulsion supported by the center fuselage 7 and held between the right and left booms 11, 10 and the center boom 9, and a battery 16 for supplying the power to motors for driving the duct fans 1-6. The sectional shape of the center fuselage 7 forms a vertically symmetric airfoil, and its plan view shape forms a rectangular shape having the aspect ratio of 0.4-0.8. Inlets and outlets of the duct fans 1-4 exclusive for takeoff/landing are always opened.
Masuo Yamada
Fumio Sato