One of Schauberger’s projects was to produce a flying machine, saucer shaped, that used a “liquid vortex propulsion” system. His theory was that “if water or air is rotated into a twisting form of oscillation, known as a ‘colloidal,’ a build-up of energy results, which, with immense power, can cause levitation.”
According to stories Schauberger built several models (right), one of which was almost five feet in diameter and was powered by a 1/20 hp electric engine. Some reports indicated that one of the models actually flew. There are also reports that, according to letter Victor Schauberger wrote to a friend, a full-sized prototype of one of his designs was constructed using prison labor at the Mauhausen concentration camp. This craft flew on February 19th of 1945 near Prague and obtained an altitude of 45,000 feet in only 3 minutes. The letter goes on to say the prototype was destroyed by the Nazis before it could be captured by the Allies.