Dr Ronald Stiffler SEC technology

[itsu]

NickZ and others:  If I may be of help, you can get the genuine SEC 18 L3 coil information you're looking for 'straight from the horse's mouth'.  On the first page of this thread, ramset attached a document
by Dr. Stiffler which provides a very detailed description of the L3 coil construction which starts on page 30.  See Reply #10 on October 17, 2017, attachment file name DocumentSEC18_Rel_2_8-1.pdf 
https://overunity.com/17249/dr-ronald-stiffler-sec-technology/10/

iQuest,

thanks for the heads up, so the below picture shows the data on this L3 coil.

I rolled my own also on a 16mm diameter former with 70 turns and it comes very close to the 26.6uH

Guess i have to make another 2 exactly the same for things to come.

Itsu

[gyulasun]

Dear Itsu,
Many thanks for doing this test.  I did not stress it enough that the critical parameter that should be kept for the
5050 type LED chips is the 60 mA forward current and if this is observed then it functions as specified, the voltage
across the chips is secondary question because it may range from 3.1V to 3.4V chip by chip.  So the 23V I wrote should
indeed be reduced to as low as to let the 60 mA flow, not higher.   

I mention this because as you found even the 20.3V drives already higher than 60 mA forward current it was 67.1 mA and
surely the 7 mA extra current increases brightness.  So you may need to go even below 20V to get the 60mA input for that
LED board.
May I notice one more thing: Does not the oscillator excite a little better the LED board if the common point of the diodes is connected to the negative  rail? Or the piece of wire hanging on it insures even higher brightness?

Thanks again.   Gyula

[gyulasun]

thanks for reply. yes the LED drived with single wire. the wire is connected to diodes not back plate. I think its 7 watt LED ( I don't know voltage maybe 120 volt ? ). I cant remember model of the bulb
the brightness is go higher when I connect the DC DC boost converter heat sync to a big aluminum heat sync.

Hi Erfandl,

Thanks for the pictures on the LED board, unfortunately I have not managed to identify it.  No problem of course. 
Yes,  the EM field is relatively high when an unscreened air core coil that size (tuned a little with a ferrite rod) and
everything influences it that is nearby, including metal objects.   As if the metal bodies would atteact such fields,
it looks like.  And of course our hand and out body also influence the field of the coil, even detune it.

I would suggest to use an electrolytic capacitor across the positive and negative wires of the LED boards, to filter
a little the output of the two AV plug diodes. Any cap from 47 uF  (microFarad) and at least 160V DC rated would be ok.
This may also increase brightness.  The increase in brightness will not be much though but a small increase can also count. 

Gyula

[Lidmotor]

  I tried using my function generator to transmit energy wirelessly by using my old Stiffler towers.  It worked.  The towers were setup to work with SEC 15 or SEC 18 units that ran at around 13.6 MHz so that is where I set the generator.  Here is what the experiment looked like:

https://www.youtube.com/watch?v=HMpgR12hbkE


 
  This is an old picture of the towers.
----Lidmotor

[Slider2732]

That's another great way to ensure a match of output and receiver, by using exactly the same top loads. Have just watched your hallway vid again of these from a decade back and realised an advantage of the time gap, I could watch it for the first time again LOL
Jonny Davro had repeating towers all across his kitchen, it might be an idea to repeat that experiment but put them in a circle as a current loop.
Am wondering if a version of that, at a distance, would work more effectively than 1 receiver.

The AD9850 replacement module arrived and has been soldered into the frequency generator build. It's now also been tested.
All works great.
https://www.youtube.com/watch?v=I34nU755ICk
Shown with the scope running, as the amplitude and peak to peak voltages are measured through the 0-30MHz range.
Output is very low, even though it says 10.5V pp on the scope at low frequencies.
However, there is a little wireless output using the original SEC-18 L3 in the higher MHz area.
Amplifying is the next part up to 20V.