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HopFlyt Venturi 1/7th scale model, Dec 16, 2017

HopFlyt Begins Scale Hover Tests

The American company HopFlyt began hovering tests of its Venturi one-seventh scale model in its hangar in Lusby, Maryland, in December. The Venturi pairs variable incidence, tandem channel wings with eight counter-rotating propellers within the channels that can generate very high levels of static thrust and lift while reducing propeller noise. “Combining these technologies,” the company said, “with [distributed electrical propulsion] reduces mechanical complexity by removing traditional flight control surfaces (i.e. ailerons, elevators, rudder and flaps). This reduces weight, improves reliability and reduces maintenance while allowing the aircraft to take off and land vertically.”

HopFlyt Venturi

Venturi HopFlyt Lusby, Maryland, USA www.hopflyt.com The HopFlyt Venturi uses a canard style, variable incidence channel wing design aircraft that is electrically powered. The Venturi design can take off and land vertically and fly like a conventional aircraft during cruise. The HopFlyt mission includes reducing commuting times to increase productivity in highly congested urban areas while protecting the environment with emissions-free transportation. The goal is to move passengers five times faster than ground transportation. The design plans for a range of up to 200 miles. The HopFlyt eVTOL aircraft design leverages advanced aviation technologies in a brand-new, patent pending aircraft configuration.  HopFlyt was founded in Lusby, Maryland, USA on Dec. 6, 2016 “with a vision to challenge traditional aviation boundaries with its advanced aerospace technologies in order to improve transportation effectiveness and reduce transportation pollution. The HopFlyt design will transport passengers up to five-times faster by flying them over traffic in congested urban areas.” In late 2017, HopFlyt was selected for the Maryland Industrial Partnerships (MIPS) program. The company began its partnership with the University of Maryland aerospace department in Jan. 2018 for flight dynamics model development and flight control software development. HopFlyt is using a combination of small scale models, computational fluid dynamics and simulation to prove out the concepts and develop the software for flight control and distributed propulsion. First flight of the scale model was in Dec. 2017. HopFlyt Characteristics (updated January 2018) Resources Search eVTOL news posts HopFlyt LinkedIn Page Article: HopFlyt eVTOL: an interview with Rob Winston,” Impakter, March 9, 2018 Article: HopFlyt Channels the Custer Channel Wing, Sustainable Skies, September 20, 2017 Article: American startup HopFlyt developed an electric arched wing airtaxi, Wings Herald, August 24, 2017 Tags: HopFlyt, Vectored Thrust

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

Uber Flying Taxis in Dubai

Is 2020 Really Possible? (sidebar)

Is 2020 Really Possible? Sidebars to From the Ground Up: Uber Elevate in 2020 Uber said that by the time flight demonstration programs begin in 2020, they will have to validate that they have mitigated the three biggest risks: efficient flights (airspace acceptance), noise (community acceptance) and safety (passenger acceptance). Note that Uber is not funding the development of the aircraft, but is helping to facilitate connections between investors and developers. Once the companies prove their products can operate within the Elevate network and meet the performance and economic requirements, Uber said it would be ready to put its money down and guarantee production volumes and revenues to justify the certification expense. To make the Uber Elevate vision a reality, the flight demonstrations to begin in 2020 will require: Demonstrator aircraft: More than two dozen organizations are currently researching electric and hybrid-electric eVTOL concepts. At least six are currently conducting full-scale flight tests, while several others are completing their aircraft or flying subscale models. Vertiport infrastructure: Uber is working with charging companies like ChargePoint, as well as Hillwood Properties, one of the largest private real estate developers and investors in the US, to establish vertiports at company-owned sites to conduct the tests with distributed nodes around Dallas-Ft. Worth. Similar efforts are underway for Dubai. Airspace: A key aspect of the Elevate ecosystem is the ability to seamlessly operate in Class B airspace. With high-speed, very quiet aircraft, Uber believes eVTOL aircraft will be able to operate in well-defined corridors linking the vertiports, and avoid the airspace restrictions imposed on ad hoc helicopter operations today. Regulations / Certification: The FAA is considering fixed-wing aircraft that take off vertically to be governed under Part 23 as small aircraft. Uber said it hopes that the new eVTOL aircraft can be certified by 2023, but that it has other ways to test the Elevate network before then. In August 2017, the FAA introduced fundamental changes to Part 23 light aircraft certification rules that are designed to facilitate innovation and reduce certification costs. And EASA recently introduced “proportionality” for light aircraft, where manufacturers are allowed to build up to 10 aircraft prior to certification. The FAA is also considering this approach. Pilots or Autonomy: Uber said it plans to fly piloted aircraft for the first five years or so to guarantee safety and develop a database of safe operations in wide-ranging conditions. For this, Uber may need tens of thousands of pilots. The company is working with groups to hire pilots with prior military aviation experience. eVTOL Companies The following electric VTOL aircraft are known to be under development. These include aircraft for a wide range of missions, not just applicable for Uber’s Elevate mission. Winged (updated Aug. 19, 2017) A³ Vahana AirspaceX MOBi Aurora Flight Sciences eVTOL Aurora Flight Sciences LightningStrike Bell Helicopter (unnamed) Carter Aviation/Mooney CarterCopter DeLorean Aerospace DR-7 Flexcraft (unnamed) HopFlyt (unnamed) HoverSurf Drone Taxi R-1 JAXA Hornisse 2B Joby Aviation S4 Lilium Jet Pipistrel (unnamed) Terrafugia TF-X XTI Aircraft Trifan 600 Zee Aero Z-P1 Wingless (updated Aug. 19, 2017) Airbus Helicopters CityAirbus Bartini …

eVTOL Aircraft

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)