what was the german die glock or "the bell" and how did it work?

[takenaway]

during wwII, the nazis were allegedly experimenting with a highly advanced aircraft known as "die glock"or "the bell"does anybody out there know anything about it?the description of this thing matches that of an object that crashed in kecksburg pennsylvania in about 1965

 

[eltro]

die gloke worked by two counter rotating cylinders which created a air vortex whick could have theoretically lifted the aircraft