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Flux Leakage Tests for the Marinov Motor

Several papers, in particular Wesley[1] and Phipps[2,3] have described and analyzed the operation of the Marinov motor, which is basically composed of a magnetic toroid inside an electrically conducting ring which is fed current at 2 points diametrically opposite, as shown in Fig. 1. Ideally the magnetic flux of the torus is contained entirely within, so that the external B field is zero, although the magnetic vector potential A is still nonzero. I refer the reader to these papers for a detailed description. The regular motor has the torus fixed and the ring free to revolve, while the easier to construct “inverse” motor has the ring fixed and the torus free to revolve. The theory is derived from a force term = grad (V⋅A) which is ignored in Lorentzian electromagnetics[4]. Several investigators have achieved operation [5], although the operation of the regular motor is still controversial. This paper especially follows the spirit of the work of Tom Phipps in [2]. We will use the same notation, except S.I. units.