Sun Flyer’s Two and Four Seat Electric Aircraft

Dean Sigler Announcements, Electric Powerplants, Sustainable Aviation 0 Comments

George Bye has spent the last decade developing a viable two-seat training aircraft that would be electrically powered.  His efforts included a Cessna 172 that took wing on battery power, and have evolved to the current product, a sleek two-seater that has 105 deposits to buy worldwide. At AirVenture 2017, George displayed the Sun Flyer 2 and announced plans to introduce a four-seater, the Sun Flyer 4.  With ground tests complete on the aircraft and its 45-pound Emrax motor, George envisions flight tests coming this fall for the 2.  Even given successful flight tests, certification may take two to three years.  George has been working with the FAA to enable certification under Part 23 rules, and has made great headway …

Sun Flyer Rollout

Dean Sigler Batteries, Electric Powerplants, Solar Power, Sustainable Aviation 0 Comments

Yesterday, George Bye’s Aero Electric Aircraft Company (AEAC) rolled out its Sun Flyer, an electric two-seat training aircraft with photo-voltaic cells on the wing and tail to extend its range, and over two or three days, recharge its batteries.  With orders for 65 Sun Flyers already on the books, interest is high in this airplane. In an email, George informed your editor that, “We’re using the Enstroj Emrax 268 high voltage electric motor, rated at 100 kW and 400 volts nominal.  Of course, the motor ‘throttle’ is electronic.” He responded to a query about battery monitoring and protection: “Battery safety is multi-fold.  We monitor cells individually, cells within each ‘battery box’, (with electronic disconnect), battery box system electronic and mechanical …

WattsUp Becomes Alpha Electro – Training Market Warms Up

Dean Sigler Electric Powerplants, Sustainable Aviation 2 Comments

With today’s AVWeb report from Mary Grady at Aero in Friedrichshafen, Germany, the wraps are off the commercial reality that Pipistrel is ready to market its Alpha Electro, a new airplane for the training market.   The production version of the former WattsUp, the airplane’s primary mission is to provide training in the pattern for aspiring pilots. Details abound in the video, with Tine Tomazic, Chief Engineer for the Slovenian firm, showing Mary the features of the craft.  One of the best features may be its 100,000 euro price tag, well under pricing for many conventionally-powered light sport aircraft that would compete in the trainer market. Since Aero brings in exhibitors from all over the world and incorporates an E-Flight Expo, …

AEAC Pulls in First 20 Deposits

Dean Sigler Electric Powerplants, Sustainable Aviation 1 Comment

Aero Electric Aircraft Corporation (AEAC) and Spartan College of Aeronautics and Technology made joint announcements about their signing a “Training Program Development and Deposit Agreement” for the school to reserve the first 20 delivery positions for “Sun Flyer” solar-electric training aircraft being developed by AEAC.  This first such agreement by a major training program and an aircraft maker is a milestone for this new technology. The press announcement quotes Peter Harris, CEO of Spartan College, saying, “This agreement signifies our commitment to innovation and to serving the next generation of pilots. Spartan College is honored to be the first training school to formalize our collaboration on a complete training system that will make flight training more modern, accessible and economical …