GAMMAMET cores: incredible efficient cores.

[CompuTutor]

There is one quote I find an oddity.

"The service life of cores is 30 years."

Why ?

UPDATE:
Wow, those are real nice items !

I wrote them an email about that
unusually low lifespan statement.

I will post their answer here
for all to view upon a reply.



I have also asked them about trapazoid split cores
for radial arrangments in advanced pulsed motors.

If arranged correctly with ubber-neo's inline
they can can be used in a parallel-path matrix
to boost alternating attraction by up to 4X.

Remind you of a certain flywheel's magnet shape
of the Ford/Leedskalnin vintage of thinking ?

Example:

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[FatChance!!!]

"The service life of cores is 30 years."

Why ?

Most simply because the cores are using an organic binder and this ages by time and heat.
The same thing goes for Micrometals Iron Powder cores.
They age as well due to the properties of the organic binder.

Website Quote:
Magnetic cores GM45DС substitute for cores of soft magnetic nickel-iron alloys and ferrites with linear magnetization curve.

I bet the cores isn't any better than well known MPP or Ferrite cores.
They might be equal in performance but cheaper and this would be the sales issue.

[Paul-R]

That core is incredible efficient and is suited for high currents...

I am looking to build the Alfred Hubbard device: (Page 48)
http://www.free-energy-info.co.uk/Chapter5.pdf

But I cannot get iron tube. Will the material of these cores,
powdered and cast into a tubular form be as good or even
better?

[FatChance!!!]

@Broli

Try these cores.
http://www.cwsbytemark.com/index.php?main_page=index&cPath=206_218
Molypermalloy is among the best material on the market and it's easy to get.
It has extremely low hysteresis and eddy current losses.
Companies have been using MPP for decades in order to reach maximum efficiency.

If this doesn't fit your needs then there is 3C20 from Ferroxcube.
http://www.ferroxcube.com/appl/info/gaptoroids.pdf
It has slightly better performance at the expense of size.
Meaning that you'll need a bigger core to transfer the same level of energy as MPP.
But the efficiency of 3C20 is slightly better than MPP in the range of 1-2%.

MPP is machinable.
3C20 isn't.