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Manipal Journal of Science and Technology

Abstract

In the near future, faster air transportation of passengers demands green technologies in the aerospace domain. Electric Vertical Take-Off and Landing (eVTOL) aircraft, which can meet the design challenges using electric propulsion, is one of the promising solutions to bring about change. The ability of an eVTOL aircraft to take off from a rooftop can revolutionize Urban Air Mobility (UAM) and overcome the deficiencies in conventional transport. This paper presents a conceptual design of an eVTOL aircraft using electric propulsion to meet the requirements of inter-city travel. The novelty of the work lies in the use of a fan-in-wing configuration with a twin-boom design, providing certain advantages associated with eVTOL aircraft. The inter-city eVTOL aircraft is designed to carry four passengers along with one crew member and has a range of 500 km. The maximum cruise speed is 250 kmph. The design features a fan-in-wing concept which enables vertical take-off, climb, cruise/loiter, and vertical landing. Conventional flight control surfaces such as ailerons, rudders, and elevators are used. The aircraft has a pusher propeller in its boom tail for cruise flight. For vertical take-off and landing, the engines contained in openings in the wing provide the lift. For cruise, forward thrust is provided by a separate pusher propeller: the engines in the wing can be turned off and the openings in the wing are smoothly wrapped using moving surfaces operated by a slider mechanism.

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