Thane Heins Perepiteia.

[OilBarren]

"Put a coil round it."PB

THE MAGNETIC FIELDS ARE CONTAINED WITHIN THE FERROMAGNETIC MATERIAL (UNLIKE COPPER CURRENT BEARING WIRE) SO WHAT WILL THE COIL READ OTHER THAN STRAY FIELDS?

Thane

The alternating magnetic field in the shaft will induce a current in the coil. That's how a transformer works.

I DON'T KNOW ANYTHING AT ALL ABOUT TRANSFORMER OPERATION?
I AM WILLING TO LEARN THOUGH.
MAYBE SOMEDAY I WILL FIGURE OUT WHAT IS GOING ON HERE:
http://ca.youtube.com/watch?v=BJqnfR3B4oc

Thane

It's not complicated, Thane. Just a static coil around the shaft is all you need for a sensor. No involved transformer theory required.
PB

CAN'T DO IT NOW I'M BUSY POKING MY EYES OUT WITH A SHARP STICK!

Thane

[ramset]

THANE your on the cutting edge   sometimes people in the business    are afraid to get to close  less they be wounded    BUT they still want to help / research  anonymously

[OilBarren]

THANE your on the cutting edge   sometimes people in the business    are afraid to get to close  less they be wounded    BUT they still want to help / research  anonymously

SOMETIMES YOU HAVE TO GO OUT ON A LIMB
IF YOU WANT TO GET THE FRUIT

Thane

[aether22]

Something to ponder,5 neo magnets 3/4 inch put on the shaft,with the wheel,rotating with the shaft
the rpms of the wheel are  monitored by an wireless optical tach just bought it cheap ,thats accurate to .5 rpm,
no effect the wheel accelerates
when the coil is shorted as with out the magnets on the shaft,not a magnetic field as for what it is,"UNKNOWN" just did this a while ago.If theres 25 gauss on the shaft normally imagine how much with 5 neo 3/4 inch magnets on the shaft and it still accelerates with the coil shorted very strange shit.

The Neo magnets would be saturating the shaft making it as permeable to air to the magnetic field from the coils.
This is another way to possibly rule out magnetic field conduction a a cause, use magnets to saturate and kill the permeability of the core so that no back-emf can get through. (unless it is somehow carried by the aether)

BTW I would clarify something.
Some ask 'how can a magnetic field induce a field in a copper coil if the coil is not imersed in the magnetic field'
Well it's a trick question, in reality there IS a magnetic field even outside perfect toroidal coil.
Magnetic fields don't bend or truly conduct, nor is this flux composed of lines, not on a deeper level do magnetic fields even exist.
What happens is they sum and add to zero so we do not see them, but they are still there.
And when the inductive effects from 2 magnetic fields add even though their magnetic presence cancels to zero net flux then you appear to have the induction without the magnetic field.

Look up Hooper-Monstein.

[polarbreeze]

WHEN CAN I SET UP THE PROTOTYPE AT YOUR HOUSE?

Thane

Why? Did they kick you out of the U?
PB