It ‘came yesterday morning in the Egyptian space and will land today at Cairo airport, the Solar Impulse 2, or the solar-powered aircraft that is attempting to sail around the world without even a drop of fuel. And ‘this reported the Chairman of the National Air Navigation Company Ihab Mohieddine Azmy, who specified that the aircraft has crossed the Egyptian border at around 15 premises yesterday. For this stage in command seems to be Andre Borschberg, and this among other things will be his last trip , because the final flight will go to another Swiss pilot Bertrand Piccard. “We want to represent the new world, the world of clean technology. Because the future is clean and start now “ had tweeted Borschberg on the occasion of his arrival in Seville .This is the sixteenth and penultimate stage prior to arrival in Abu Dhabi, in the United Arab Emirates, where in March 2015 the first “solar journey” was opened around the history of the globe.
the journey of Solar Impulse 2, started just last March 9, 2015 and since then has really traveled the world only thanks to the help of sunlight and the photovoltaic cells mounted on the entire surface of the aircraft. It is, inevitably a historic feat , but not everything has always gone smoothly without drawbacks, because in this long year have occurred several times promptly repaired malfunctions. Between 7 and 8 July 2010, the aircraft has shown himself capable of flying for 24 hours , remaining in flight at night due to the charge accumulated during the day. On 13 May 2011 it was the protagonist of a journey that lasted 13 hours from Payerne to Brussels. Solar Impulse 2 is not the first solar-powered airplane, but it is the first able to continue the flight also in the absence of light thanks to the lithium polymer batteries, which have a weight of only 630 kg of a total of 2300 kg of the whole plane. The project was funded in part by private companies such as Solvay, Omega Sa, Deutsche Bank, Schindler, Bayer MaterialScience (the Bayer Group division), Altran Technologies and Swisscom.
Here , given hereafter, what are the general characteristics about the Crew: 1; Length: 22.4 m (73.5 ft); Wingspan: 71.9 m (236 ft); Height: 6.37 m (20.9 ft); Wing Area: 17.248 photovoltaic cells covering wing, fuselage and tail horizontal plane for a total of 269.5 m2; Weight: 2,300 kg (5,100 lb); Engine type: 4 electrici motors powered by four lithium-ion 41 kWh (633 kg) which provide 13 kW, each motor provides a 17.4 HP power; propeller diameter: 4 m (13.1 ft); Takeoff Celocità: 20 kn (36 km / h) .As for performance, here are the features relating to the maximum speed, cruising and service fee, respectively 77 kn (140 km / h), 87 mph; 49 kn (90 km / h) [33 kn (60 km / h) at night to save power]; 8,500 m (27,900 ft) with a maximum altitude of 12,000 meters (39,000 ft).
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