Analysis of information sources in references of the Wikipedia article "Letalo" in Slovenian language version.
Cayley je identificiral vlečno silo, vzporedno s tokom, in vzgon (pravokotno na tok zraka).
English pioneer of aerial navigation and aeronautical engineering and designer of the first successful glider to carry a human being aloft. Cayley established the modern configuration of an airplane as a fixed-wing flying machine with separate systems for lift, propulsion, and control as early as 1799.