It might look like as space hopper surrounded by model helicopters, but the 16-rotor E-Volo is an entirely new kind of helicopter - which can hover motionless in the air without input from the pilot
Its bold engineer, Thomas Senkel, took the machine on its first manned flight this week - lasting 1 minute 30 seconds.
It's not the first electric helicopter flight - but this is a new kind of machine, steered simply by joystick, with the pilot sitting above the rotors. Senkel says it could revolutionise transport.
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