On March 7, 2018, Zurich, Switzerland-based Dufour Aerospace announced the development of its latest aircraft, the aEro 2. Building on the success of its aEro 1 fully-electric aerobatic plane — which first flew in June 2016 — the aEro 2 is a modular hybrid-electric VTOL. The two-seat Dufour aEro 2 tiltwing is designed to cruise at speeds of up to 173 kt (320 km/h) in wingborne flight. In its fully electric configuration, the aEro 2 has a range of 65 nm (120 km) but an optional auxiliary power unit can be fitted in a hybrid configuration to extend the range up to a total of 430 nm (800 km). Dufour said its aEro 2 will be more than five times faster than a car but at the same cost per distance. The company said that it evaluated numerous concepts, particularly tilt-wing and tilt-rotor approaches. By December 2017, Dufour had flown scale models of its aEro 2 tiltwing for 20 hours in real flight conditions in all configurations. The company said it plans to fly a one-third scale model in real flight conditions this October, finalize the design after CFD simulation results, and begin fabrication and assembly late next year. Daedalean, a Zürich-based startup, will be tapped to develop fully autonomous operation of aEro 2.
aEro 2 Dufour Aerospace Visp, Switzerland dufour.aero Dufour Aerospace announced on March 7, 2018 that it was developing a tilt-wing eVTOL called the “aEro2.” The company stated that the aEro2 would build on the success of its aEro 1 electric CTOL aerobatic plane. The eVTOL aEro2 will use a modular hybrid-electric power system. The company says “Our aircraft uses a proven tilt-wing design concept which keeps the wings constantly under airflow and therefore offers outstanding stability and control even in very slow flight. An efficient tail fan provides pitch control in hover flight and ensures that aEro 2 is robust against changes in center of gravity and gusty conditions.” “Four motors (two on each side) provide redundancy, with each motor temporarily able to provide twice the power to keep full hover capacity in case of a failure. The laminar airflow around the wing makes it less vulnerable to vortex ring state, strong wind and gust conditions in hover than any other aircraft.” The winged design of aEro 2 ensures if that any rotors fail, the aircraft can land on an airfield. The company’s aEro 1 eCTOL aircraft was started in March 2015 and first flew in June 2016. It began the first conceptual designs of aEro 2 in Sept. 2016. In Dec. 2017, the company began testing different concepts (especially tilt-wing and tilt-rotor) and the first model prototypes to simulate different steering and flying configurations. By March 2018, Dufour the company had tested different scale models for a total of 20 flight hours in real flight conditions in all configurations. In Jan. 2018, the company flew a full flight simulation of the full-scale aircraft in the simulator. The full-scale configuration of the aircraft had with all the basic parameters, like weights, balance, aerodynamic profiles, power and RPM settings. In Oct. 2018, the company plans to conduct the first flights with a one-third scale aircraft. The company will also have the final CFD simulation results to freeze the design. Dufour would like to have a working prototype by spring of 2019. Characteristics (March 2018) 320 km/h speed cruise Hover Performance at 2,000 m at ISA +20 deg C. 2 seats optional piloted hybrid or fully electric range 800 km in hybrid mode and 120 km in full electric mode low noise profile and low downwash profile makes it best in class for Urban Air Transport and operation in populated areas Resources: Search eVTOL news posts Dufour website Article: Dufour Aerospace announces aEro 2 hybrid eVTOL aircraft, Vertical Magazine, March 7, 2018 Podcast: Dufour Aerospace Co-Founder Thomas Pfammatter on the aEro2 VTOL Electric Aircraft, Aerospace Engineering Blog, July 10, 2018 Tags: Dufour, Vectored Thrust
Vectored Thrust An eVTOL aircraft that uses any of its thrusters for lift and cruise: A³ Vahana aeroG Aviation aG-4 AirisOne AirspaceX MOBi Aurora Flight Sciences LightningStrike (defunct) Autonomous Flight Y6S Bartini Flying Car Bell Air Taxi Carter Aviation CarterCopter DeLorean Aerospace DR-7 Digi Robotics DroFire Digi Robotics Droxi Dufour aEro2 EVA X01 HopFlyt Venturi JAXA Hornisse 2B Jetoptera J2000 Joby Aviation S2 (defunct) Joby Aviation S4 Karem Butterfly KARI PAV Lilium Jet Moller Skycar M400 Neoptera eOpter Opener BlackFly Piasecki eVTOL Pipistrel (unnamed) PteroDynamics Transwing Rolls-Royce EVTOL Sabrewing Draco-2 Sikorsky VERT SKYLYS Aircraft AO Starling Jet Supervolant Pegasus Terrafugia TF-2 Tiltrotor Terrafugia TF-X Transcend Air Vy 400 VerdeGo Aero PAT200 Vertiia Vickers WAVE eVTOL Vimana (unnamed) VTOL Aviation Abhiyaan XTI Aircraft Trifan 600 Zenith Altitude EOPA Not what you’re looking for? Check out all eVTOL
The following companies are known to be developing electric VTOL aircraft: A³ Vahana aeroG Aviation aG-4 AeroMobil 5.0 Airbus Helicopters CityAirbus AirisOne AirspaceX MOBi Alauda Airspeeder ASTRO/Passenger Drone Aurora Flight Sciences eVTOL Aurora Flight Sciences LightningStrike Autonomous Flight Y6S Avianovations Hepard Bartini Flying Car Bell Air Taxi Boeing Cargo Aerial Vehicle Carter Aviation CarterCopter Cartivator SkyDrive Davinci ZeroG Dekatone (unnamed) DeLorean Aerospace DR-7 Digi Robotics DroFire Digi Robotics Droxi Dufour aEro2 EAC Whisper EHang 184 Embraer (unnamed) EVA X01 Flexcraft (unnamed) Flike Flyt Aerospace FlytCycle Gravity X HopFlyt Venturi HoverSurf Drone Taxi R-1 HoverSurf Formula HoverSurf Scorpion JAXA Hornisse 2B Jetoptera J2000 Jetpack Aviation (unnamed) Joby Aviation S4 Kalashnikov (unnamed) Karem Butterfly KARI PAV Kármán XK-1 Kitty Hawk Cora Kitty Hawk Flyer Kitty Hawk Flyer (prototype) Lilium Jet Malloy Hoverbike Moller Skycar M400 Napoleon Aero VTOL Neoptera eOpter Neva Aerospace AirQuadOne PAVX PAV-UL Ultralight Piasecki eVTOL Pipistrel (unnamed) PteroDynamics Transwing Pop.Up Next Ray Research Dart Flyer Ray Research VTOL Aircraft Sabrewing Draco-2 Sikorsky VERT SKYLYS Aircraft AO Skypod Aerospace Skypod Starling Jet Supervolant Pegasus Terrafugia TF-2 Uber eCRM Urban Aeronautics CityHawk VerdeGo Aero PAT200 Vertiia Vickers WAVE eVTOL Vimana (unnamed) Volocopter VC200 / 2X VRCO NeoXCraft VTOL Aviation Abhiyaan Workhorse SureFly XTI Aircraft Trifan 600 Zee Aero Z-P2 Zenith Altitude EOPA (updated June 11, 2018)
† designates a defunct project (updated July 15, 2018)