The motor 10 may be centrally mounted on the multiplier structure 81. However, a torsion joint 60 must be used. See the patent. The wire system is very well explained in the patent.
VERY IMPRORTANT. In the patent, different ways of canceling the effect contrary to the direction of normal rotation of the multiplier produced by the body, the stator of the motor 10 and the generator 20 are shown.