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Chatillon Le Frelon V01 (concept design)

Chatillon Le Frelon V01 one passenger eVTOL backpack aircraft concept design


Chatillon Le Frelon V01 (concept design)
Thibault Chatillon (inventor)
Lyon, Auvergne-Rhone-Alpes, France

Since 2007, Thibault Chatillon has been working with, inventing, flying and designing drones, including designing passenger electric vertical takeoff and landing (eVTOL) aircraft. Chatillon is based in Lyon, Auvergne-Rhone-Alpes, France. In addition, he's designed the first vertiport network in France for eVTOL aircraft and drones. Chatillon is also working on innovative eVTOL aircraft design concepts for advanced aerial mobility (AAM) and air racing. On several of Chatillon's social media accounts, his handle is Tibo Cat Lion.

The Le Frelon V01 is a one passenger eVTOL concept design backpack aircraft for advanced aerial mobility (AAM). The aircraft has six propellers and six electric motors, each set of propellers are ducted and have crossbars on both sides of the duct to protect the pilot or anyone on the ground.

The aircraft has a very thin modified Delta wing and each ducted fan is housed inside the wing. When on the ground, the aircraft can sit on its tail and fixed front landing gear strut. The pilot puts on backpack and straps in to attach the aircraft to his/her back. The aircraft will take off vertically and then transition to a horizontal position for forward flight. When in the vertical position and just before takeoff, the pilot will place their feet under the front foot rest. When the aircraft transitions to forward flight, the pilot will be held in the prone position with the backpack straps and the top of their feet above the foot rest.

The modified Delta wing will help extend the range of the aircraft. The aircraft's tail has four horizontal stabilizers to help the pilot achieve more precision flying. The batteries are inside the backpack. The aircraft is expected to be used for advanced aerial mobility (AAM), leisure travel, tourism, sport and adventure flying.


  • Aircraft type: eVTOL personal concept design backpack aircraft
  • Piloting: 1 pilot
  • Propellers: 6 propellers (Each set of propellers are ducted)
  • Electric motors: 6 electric motors
  • Power source: Batteries
  • Fuselage: Carbon fiber composite
  • Cockpit: Open cockpit
  • Wings: Modified very thin Delta wing with ducted fans inside the wing
  • Tail: Four movable horizontal stabilizers
  • Landing gear: Lands on the tail and its front fixed skid strut
  • Safety features: Distributed Electric Propulsion (DEP), provides safety through redundancy for its passengers and/or cargo. DEP means having multiple propellers (or ducted fans) and motors on the aircraft so if one or more propellers (ducted fans) or motors fail, the other working propellers (or ducted fans) and motors can safely land the aircraft. There are also redundancies in the sub-systems of the aircraft.

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