2 Ergebnisse für: tailsitters
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The Aviation History - Relly Victoria Petrescu, Florian Ion Petrescu - Google Books
https://books.google.de/books?id=id9kQCuqepQC&pg=PA72
According to Aulus Gellius, Archytas, the Ancient Greek philosopher, mathematician, astronomer, statesman, and strategist, was reputed to have designed and built, around 400 BC, the first artificial, self-propelled flying device, a bird-shaped model…
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The Aviation History - Relly Victoria Petrescu, Florian Ion Petrescu - Google Books
https://books.google.de/books?id=id9kQCuqepQC&pg=PA74#v=onepage
According to Aulus Gellius, Archytas, the Ancient Greek philosopher, mathematician, astronomer, statesman, and strategist, was reputed to have designed and built, around 400 BC, the first artificial, self-propelled flying device, a bird-shaped model…