e-Genius Crosses the Alps on Battery Power – Twice!

Dean Sigler Electric Powerplants, GFC, Sustainable Aviation 2 Comments

It makes your editor’s morning to receive such wonderful emails.  Dipl. Ing. Ingmar Geiß, Deputy Project Manager for Overall Aircraft Systems on e-Genius wrote the following: “We had a great Saturday – we flew from Stuttgart over the Alps to Italy, recharged the batteries and flew back on the same day!  For us, this shows the practicability of battery powered aircraft and we think this is a milestone towards an eco-friendly and efficient aviation.” The e-Genius web page on the University of Stuttgart site expands on the story, describing the flight’s accomplishment. “A milestone towards an energy efficient and carbon-neutral aviation has been reached.” While Americans rested up for their Fourth of July festivities, “Saturday morning, the electric aircraft “e-Genius” …

Green Speed Cup Final: a Mix of Well-Flown Aircraft

Dean Sigler Electric Powerplants, GFC, Sustainable Aviation 0 Comments

Day three of the Green Speed Cup in Strausberg, Germany brought few surprises other than how fuel efficient all of the aircraft turned out to be, especially considering they are all powered by gasoline engines.  Normally, this would demonstrate that even a light machine uses large amounts of fuel, but this contest demonstrated the benefits of good design and careful piloting. The Akaflieg Darmstadt D39 flown by Holger Massow came in first, winning the last two days outright.  Second went to Hans-Peter Ortwein flying a Stemme SV-10T, and third, perhaps surprisingly, to the only two-stroke powered machine, a Technoflug Piccolo, a fixed-gear, high-wing motorglider with an engine sticking up behind the wing.  The Piccolo was flown by Werner Scholz. Two …