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Solar Impulse 2 decollerà tra poche ore da Abu Dhabi, alle 3,30 ora svizzera, per quella che è la prima circumnavigazione del globo con un velivolo solare. L'aereo degli svizzeri Bertrand Piccard e André Borschberg sarebbe già dovuto partire a fine febbraio, ma finora le avverse condizioni meteorologiche lo hanno impedito. Il viaggio di 35,000 chilometri dovrebbe essere compiuto in circa 25 giorni ripartiti su cinque mesi.
Il velivolo è descritto dai suoi costruttori come il più rivoluzionario mai creato sinora. Il monoposto ha un peso di 2'300 chili ed è dotato di 17'248 celle fotovoltaiche al silicio. L'apparecchio è in grado di volare per cinque giorni e cinque notti consecutive senza carburante.
Il Principe Alberto II di Monaco ed il ministro degli Emirati Arabi Uniti, Sultan Al Jaber, hanno aderito domenica ad Abu Dhabi, insieme al miliardario Richard Branson, all'iniziativa per il "Futuro pulito" lanciata dai fondatori di Solar Impulse, a sostegno delle energie rinnovabili.
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