Look at this- John Clark again

[Cyberitual]

It would be the closest a rotary could come to a coil, you would still loose thrust as the bar and magnets are separated in distance as the needle makes contact with a surface. its amazing to see the difference between builders and innovaters. This idea along with the Centri should be old school techniques by now the way the worlds technologies are today. I think our industry is lagging in the most important tool we use everyday. I hope to live another 40 years to be part of and witness our industry innovations blossom. Nice work, glad there are others that escaped the box!