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On 7th July a highly modified Antares Motor glider took to the air under the power of an electric motor driven by a hydrogen and oxygen powered fuel cell.
The electric motor has a maximum power of 25 Kw and an over all propulsion efficiency of 52% in the cruise and 44% in the climb. It has a range of about 750 km and a maximum level cruise of 170 kph.
The aircraft is a significantly modified Antares Glider constructed by the Lange company and is manufactured from state of the art composites with input from the DLR (Deutsches Zentrum fur Luft und Raumfahrt) BASF Fuel Cells and Serenergy Denmark.
The Antares DLF H2 is configured in the more or less standard motor glider manner with a pusher propeller mounted above the fuselage behind the single pilot seat cockpit with the Hydrogen fuel in one pod slung under the Port wing and the Fuelcell reactor slung under the other.
It emits no CO2 and is almost silent. If the hydrogen is obtained from renewable sources no CO2 is produced at any point in the energy chain of the flight.
For full details go to the DLF portal web site http://www.dlr.de/en/desktopdefault.aspx/tabid-1/86_read-18278/