National Archives of the United States for the first time published the drawings secret supersonic flying saucer, which developed from 1951 to 1956 for the U.S. Air Force, the so-called Project 1794 (Project 1794).
According to the attached summary of the project, the unit would have to have quite a phenomenal performance for 1956 — a practical ceiling of 30 km, range of at least 2 thousand km and a maximum speed of 3.1 thousand to 4.2 thousand km / h
In this case, as it is for the "flying saucers", takeoff and landing had to be vertical. These characteristics were then available only to a few experimental aircraft and never combined in the same plane.
According to estimates of developers, given in the final part of the report, the next stage of design and prototyping was to take 18 to 24 months and do a little more than $ 3 million in today's dollars is about $ 26 million.
For comparison: the development of modern fighter aircraft Lockheed F-35 cost the U.S. Department of Defense and its allies in the monstrous $ 40 billion.
"Project number 1749" was never implemented because the technology of the time did not allow disc-shaped machine will not only achieve the stated characteristics, but even consistently off the ground. By 1960, the U.S. Air Force closed all such projects.
The theme of "flying saucers" terrestrial origin received another development about four years ago, when the University of Florida professor Subrata Roy has patented the design of the aircraft WEAV, having the shape of a flying saucer. A design in which the air current generated by electromagnetic means, was confirmed in the prior art diameter 15 cm
This project of the Canadian car-plates VZ-9-AV Avrocar, created by the American secret development and remarkably similar to the project in 1794. Was officially closed in 1961.
Development engineer, according to the American press, immediately interested in the American space agency, NASA, and the U.S. Air Force.
Documents "project number 1749" were released by the National Center for disclosure of classified information, the special department of the National Archives, created by presidential decree 13526, signed by Barack Obama in December 2009 and determining how to work with classified information.