Confirming the Delayed Lenz Effect

[Magluvin]

Hey Syncro

With just the sbc, a reed and a battery, the coil will produce only one field out in the direction of the magnet. How does the reed know which pole of the magnet to fire on to get the mag polarities right ?

Here is what I did in this case a while ago...

http://www.youtube.com/watch?v=qYgs7dvyZqc

This was before I started using a tiny bias magnet on the reeds so that it only closed when a particular pole be it N or S, depending on the bias mag polarity.

This drill bit deal, I was literally looking to get the magnets field attracted to the reed while the reed was further away. I dont know what I was thinking or even how I came up with it. but it did bias the reed to a particular pole of the magnet depending on what side of the reed the bit was near.

I have seen that if the reed is at the right distance from the mag, just on the verge of not firing, it would only fire for 1 pole and not the other. It could be an abnormality in the magnet and how it was made. But the drill bit, or a nail, was a weird encounter.

Mags

[MileHigh]

"the energy stored in the coil will now be two hundred and fifty thousand times as great."

If there is no difference in this coil and a normal coil, why would Tesla state this? Sounds like a HUGE difference to me. Nothing identical about it. And he clearly represents it as compared to a normal coil.

"Capacity secured in this particular way 'possesses an additional advantage' in that it is evenly distributed, a consideration of the greatest importance in many cases, and the results, both as to efficiency and economy, 'are more readily and easily obtained' as the size of the coils, the potential difference, or frequency of the currents are increased."

He clearly states that there is an advantage. Both as to efficiency and economy are more readily and easily obtained.  I read somewhere, I think it was a debate or lecture that Tesla stated that the higher the voltage, the advantages become more apparent. Something like that. Id have to find that.

This can rephrased to give you another viewpoint.   The SB wiring creates the opportunity for adjacent loops in the coil to sustain a higher potential between them.  Therefore the tiny capacitance can be charged to a higher potential more "easily" because of the coil geometry.  So if you say that there was one volt of potential between loops, and then with the SB wiring you can get 500 volts between loops, there is your 250,000 times the stored energy capacity.

So if the coil self-resonates the odd-even interleaving facilitates this capacitative energy storage at high voltage potentials.

However, if the coil is not self resonating and instead being used in pick-up coil or driver coil applications, then the coil winding-to-winding potential never gets excited to such high levels except for the generation of a back-EMF spike.  So this "extra capacity for energy storage" never gets exercised for conventional applications.  The capacitance is still assumed to be minuscule and of no significance.

That implies the only advantage is self-resonance but I am not aware of any applications for this.

[synchro1]

@Mags,

         Pretty cool setup! Tiny magnets are alot of fun to play around reed switches with.

"With just the SBC, a reed and a battery, the coil will produce only one field out in the direction of the magnet. How does the reed know which pole of the magnet to fire on to get the mag polarities right" ?

The face of the SBC changes field polarity to just the opposite of the approaching magnet pole, in compliance with "Lenz's Law".  It really makes no difference to the magnet spinner what side of the SB coil pulses at TDC, because the polarity will always be in repulsion. A single wire coil would assert a pole, and fail to work.

[conradelektro]

http://www.youtube.com/watch?v=KFGiEQecEsQ

Skycollection ( http://www.youtube.com/user/skycollection ) has published the new video above.

Again he does not do any conclusive input and output measurements. Very strange, because that would be a straight forward thing to do.

Greetings, Conrad

[skycollection]

Hi Conrad, this is the effect that zirofosil caused in my projects for his "video attack", i will not participate in past projects and future projects because the people of this forum attack me too...!