Hemliga dokument om USAF flygande tefat :-)

[Robin Nilsson]

http://www.retronaut.com/2013/10/projec ... ng-saucer/

"In flight testing, the Avrocar proved to have unresolved thrust and stability problems that limited it to a degraded, low-performance flight envelope; subsequently, the project was cancelled in September 1961"
kunde väl tro det ....
/ Robin