The other member includes a plurality of permanent magnet poles substantially equidistantly distributed with alternating {HEAD ~ magnetic polarity} along {TAIL ~ the angular extent} of the radial air gap formed between the members, the permanent magnet poles having a discontinuous magnetic return path, thereby dividing the member into magnetically isolated groups of permanent magnet poles 
along
The other member includes a plurality of permanent magnet poles substantially equidistantly distributed with alternating { HEAD ~ magnetic polarity } along { TAIL ~ the angular extent } of the radial air gap formed between the members , the permanent magnet poles having a discontinuous magnetic return path , thereby dividing the member into magnetically isolated groups of permanent magnet poles
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH