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 …