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Solar Impulse 2 #FirstFlight is an important stage - a step closer towards the round-the-world flight.

It is also a huge emotional step for the entire team and all our partners who have worked on the aircraft. Si2 incorporates a vast amount of new technology to render it more efficient, reliable and in particular better adapted to long haul flights. It is the first aircraft which will have almost unlimited endurance.

Throughout such an innovative project, each stage is a leap into the unknown. #FirstFlight suspense was at a high! The results show that our team of engineers can be very proud of the work it has accomplished during the last 10 years.

Bertrand Piccard @ Google+.

André Borschberg @ Google+.

It is also a huge emotional step for the entire team and all our partners who have worked on the aircraft. Si2 incorporates a vast amount of new technology to render it more efficient, reliable and in particular better adapted to long haul flights. It is the first aircraft which will have almost unlimited endurance.

Throughout ...



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