Helicopter flight

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Solar powered helicopter tested in USA

US students have created a solar-powered helicopter.

The day before, the first test test of a helicopter capable of moving by solar energy took place, in particular, in the course of the ongoing development, specialists managed to build a unique aircraft operating on an alternative energy source, however, the first flight was very short - the helicopter stayed in the air for only 9 seconds.

Among other things, the developers of a unique in its kind unique apparatus also report that the helicopter is able to move by means of muscular power, in particular, there are pedals, which allows you to generate a small part of the energy that ensures the flight of the aircraft.

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