Don't know whether this is the right place to post this but I have been looking at the Hendershot motor. Here is my take on what it consists of and how it might work. Enjoy!
Smudge
Smudge thanks for the paper, I read it with interest as it expresses some very novel ideas. A couple of questions: 1) Since this is supposedly a self running motor, are the windings on the inner core shorted as in an induction motor in order to develop am opposing field. Your paper does not mention what to do with these windings. 2) The toothed part which is captured below appears to be a solid cast and machined steel part from an alternator of the period. As such the flux lines will flow into the metallic base which is a continuance of the teeth. Today alternator rotors are made from very heavy gauge stamped steel parts (at least in the smaller low end machines as used in cheap automobiles). I cannot speak of larger alternators which may use cast and machined rotors. How would the continuance of flux into the base of the rotor affect the drawings you have presented? As you can see from the attachment, a modern alternator has like pole faces on each separate toothed part. As you know, this rotor portion has an internal coil and slip rings that is used to energize the field from an external source and regulator. Power output coils are part of the stator magnetic structure which surround the teeth. Did Hendershot use the alternator part in a novel manner as you seem to suggest or was this part made especially for him with a non magnetic base affixed to the magnetic poles? Looking forward to more discussion on this subject and the other Hendershot devices, including the one with basket weave coils. kind regards, ION
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