An external rotor comprises an annular case within which is the laminated stack forming the motor drive members and end members at {HEAD ~ each side} of {TAIL ~ the stack} 
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An external rotor comprises an annular case within which is the laminated stack forming the motor drive members and end members at { HEAD ~ each side } of { TAIL ~ the stack }
OTH OTH OTH OTH OTH OTH OTH 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