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The first liquid hydrogen drone
Los Angeles, USA - AeroVironment Inc. made the first test flights
The first test flights of a UAV (Unmanned Aerial Vehicle) aircraft powered by liquid hydrogen were successfully completed. US company AeroVironment Inc. communicated that. Liquid hydrogen and oxygen that are drawn from the air are stored in combustible cells: the electricity moves propellers. The test flights of the remote-controlled aircraft, which is named "Global Observer", with its small and slim...
AVIONEWS - World Aeronautical Press Agency