Thane Heins Perepiteia.

[hoptoad]

Perhaps this is a little off topic, apologies in advance, but it relates to efficiency.

In an article written by Nikola Tesla entitled "The problem of increasing human energy", first published in June 1900 by Century Illustrated Magazine, on pages 196 and 197, there are a few paragraphs devoted to the value (or not) of iron in electrical current generation and transmission.
The following quote is word for word, but the bold highlighting is my edit.

Quote:

"Unless we should make a radical departure in the character of the electric currents employed, iron will be indispensable.Yet the advantages it offers are only apparent. So long as we use feeble magnetic forces it is by far superior to any other material; but if we find ways of producing great magnetic forces, then better results will be attainable without it.

In fact I have already produced electric transformers in which no iron is employed, and which are capable of performing ten times as much work per pound of weight as those with iron. This result is attained by using electric currents of a very high rate of vibration, produced in a novel way, instead of the ordinary currents now employed in the industries."

End Quote:

With rare earth supermagnets such as NIB's now becoming cheap and commonly available, Teslas comments above, should be given greater attention when contemplating the design of more efficient motors and generators.

Ironically, Neodymium Iron-Boron magnets (NIB's) do contain some iron. But Tesla wasn't commenting about the material characteristics of the source of a strong magnetic field, he was referring to the materials of the inductive coils/cores and housing assembly used for generating electric current from the strong magnetic field and also transmitting it to a load.

Particular attention should be given to Tesla's comment on the use of electric currents with a high rate of vibration (frequency) for use with his ironless transformer.

Regarding motors, the most efficient motor /generator developed for the "civilian" world thus far was developed by the CSIRO and ultimately produced in 1996-7 for use in the Australian Solar Car Challenge entry vehicle called the "Aurora".

Note the ironless specs of the motor in the pdf link below.

http://www.totallyamped.net/adams/AuroraSolarCarMotor1997.pdf

Cheers   ...  KneeDeep.... and who among us, would argue with Tesla?

[CRANKYpants]

Cheers   ...  KneeDeep.... and who among us, would argue with Tesla?

$$$ J.P MORGAN $$$
T

[CRANKYpants]

I'm sorry Mr T, my mistake... we are not on the same page. We seem to differ in our
measurement protocol. When my E core and number one rotor come back I will do
some measurements, until then, cheers
Ron

INDEED DENY_Ron,

YOUR PAGE SADDLY NOW SAYS, "SEEING IS BELIEVING" 
OR "THE PROOF IS IN THE PUDDING"

MY PAGE SAYS, "BELIEVING IS SEEING" 

BUT FIRST WE HAVE TO BE WILLING TO TRY AND MAKE THE PUDDING.
AND WILLING TO FAIL IF NEED BE.

CAUSE...

"YOU CAN'T GET THE PROOF IF YOU WON'T MAKE THE PUDDING".
A bad THANE QUOTE.

“Don't be afraid to go out on a limb. It's where all the fruit is.”
Shirley MacLaine

T

P.S.
ARE YOU GOING TO CONTINUE TO MAINTAIN YOUR NEGATIVITY AND LIE (by omission) AND "HOLD" BACK YOUR IMPORTANT ASSISTANCE AFTER I HAVE SHOWN THAT I CAN NOW ACCELERATE A 10 LB ROTOR WITH 70 LB STRENGTH MAGNETS (AGAINST 2 CORES) UP TO 3358 RPM WITH 20 VOLTS LESS & LESS POWER THAN YOUR OWN 85 VOLT BASELINE 

[Kator01]

hoptoad,

thank you for this motor-info. Very interesting spec.
Since you have brought up this info here my question would be : is this motor - according to your knowledge -  commercially available or was it just a prototype which they do not sell on a commercial basis.

Any additional links you have ?

Regards

Kator01

[Bruce_TPU]

Perhaps this is a little off topic, apologies in advance, but it relates to efficiency.

In an article written by Nikola Tesla entitled "The problem of increasing human energy", first published in June 1900 by Century Illustrated Magazine, on pages 196 and 197, there are a few paragraphs devoted to the value (or not) of iron in electrical current generation and transmission.
The following quote is word for word, but the bold highlighting is my edit.

Quote:

"Unless we should make a radical departure in the character of the electric currents employed, iron will be indispensable.Yet the advantages it offers are only apparent. So long as we use feeble magnetic forces it is by far superior to any other material; but if we find ways of producing great magnetic forces, then better results will be attainable without it.

In fact I have already produced electric transformers in which no iron is employed, and which are capable of performing ten times as much work per pound of weight as those with iron. This result is attained by using electric currents of a very high rate of vibration, produced in a novel way, instead of the ordinary currents now employed in the industries."

End Quote:

(snip)

Cheers   ...  KneeDeep.... and who among us, would argue with Tesla?

While doing magnetometer experiments, Tesla discovered huge magnetic waves, extending out far from thunderstorms.  In later experiments, he found that these huge magnetic waves could be tapped into, at certain specific high frequencies.  He then later, used those frequencies, to tap into these huge magnetic waves, using vacuum tubes, and was able with the proper circuit potential, to give demonstrations of "power from nowhere".

Skeptical?  Check out "marco's dancing magnets" on yahoo video.  And when you do, remember that it is set for VLF (very low frequency)  Imagine the tap, in the the VHF magnetic waves.

Cheers,

Bruce