those guys are very busy,, I would not expect a response from them..... what I can tell you is this, if you do not worry about magnet shape, but understand the theory behind the device, and the recovery taking place a similar machine can be made that will perform exactly the same. their are several thousand replications of the SG motor in it's original configuration. most people including the John, Peter and Aaron are far beyond the original machine in their research.... so I would encourage the build, as we do all experimenters for their personal benefit, and the dispersal of this knowledge.
Tom C
Tom C
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