Here he gives the technical specs
https://youtu.be/ErbXiXsyc9k1) magnet
2) insulator
2) coil-spring (ferrous)
3) collector cylinder ( stainless, non-magnetic)
He places importance on the dimensions and # of turns
Also there seems to be something with the tube,
As if sliding it in/out gives him an adjustment
Although he doesn't mention it, he fiddled with this in
A few videos. He might be just lining the tube up with a
mark of some sort, but there's definitely a 'depth' that it
should be sunk into the spring.
Springs with weights on their tops will pendulate.
I have performed a whole series of experiments around that.
This effect can be dismissed, when he places it on its' side
Because the springs are sitting on the table, not allowed to
oscillate.
That leaves two options:
1) the new button batteries that look like neos
combined with a trick when he shows us the meter
Or
2) this needs to be investigated
Looks simple enough, I can't do anything myself right now,
as the contents of my lab are in transit to the new location.
The inventor claims independent replications have taken place.
Many of us have magnets sitting around
And it seems the cost of steel wire is negligible
So that leaves us with the stainless tubing as the real 'cost'
Not a large cost, but something to think about when we source it
There may be recyclable (no cost) sources.
Certain ink pen shafts or whatnot
Have to run a magnet across it make sure it doesn't stick