Tesla started combining his knowledge of electrical and mechanical engineering to implement it to aviation. He needed another thing to occupy his mind after the failure of Wardenclyffe. What better than the idea of flight that fascinates him since Tesla was a boy. He communicated his work in an article in the July 1919 issue of Reconstruction magazine on developing a supersonic aircraft that would travel eight miles above the surface of the Earth and generate speed for passengers to travel between New York and London in three hours. His concept was based on power by electricity transmitted wirelessly from power plants on the ground, eliminating the need for aircraft to carry fuel.
“The power supply is virtually unlimited, as any number of power plants can be operated together, supplying energy to airships just as trains running on tracks are now supplied with electrical energy through rails or wires,” said Tesla.