Towards the close of Entire world War II there was a German scientist performing on a somewhat interesting contraption. It was a propulsion device which would use airflows to spin a instead huge turbine like system which could be placed around the edges of something like a flying saucer. At the time it may possibly have seemed like a silly system, but it really labored. In other text it would be fully feasible to use this propulsion device to generate UFO like shaped saucers.
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