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This paper presents results of experimental research in vacuum into interactions between spinning disks that are close together but not mechanically linked. The research demonstrates that, during co-rotation at large angular velocities, there are interaction forces between the disks, causing precession of the disk spins and elastic deformation of the disk surfaces, in the form of a screw twisting. Thus there is energy transfer from one spinning disk to another initially immobile disk, leading it to gyration, and in their simultaneous gyration, a crossinhibiting action, and heating of the disks.