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I think lead acid or converted to alum would be the best choice. I used to have a lot of them, when John Bedini was still around and we have talked a few times about various projects but I had to move and couldn't take them with me. That's why I became interested in 1 battery + 3 capacitor setup.
My main dilemma is generator frequency range and duty cycle. This will eliminate two variables and I can further experiment with different coils.
I could post diagram here, with Romero's permission.

V

 Just had a curious thought here on the TS. Maybe use lead/alum batts instead. If it starts to over charge, it boils off the water and can add more. I am looking into making some single spiral cells and give them a round or two with the old SG to see how they fair.

Hi Chisel:
   Had to go back and print up the circuit to remember how it was. I had 4 PVC tubes with a spring loaded cap on the negative side. Inside were 4 D size cells to work on 5v system. I did use a cd4047 and cmos 555 so to run on over volts if needed. The coil was "if I remember" 4filar and 150 turns of #24 wire on a TV flyback ferite core. The 555 did have freq and dc as well to play with. I play over a few days and got a good run so left it to see what would go. Came back to a mess. NiMh bats require a taylor charge cycle, not sharp hv hits. Not to mention price of them.
   I have been contemplating making a set of lead/alum cells and giving it a go again. Those will take the punishment and keep on trukin so to speak. Just having a bit of hell to get the lead sheets. Seems that is a no no here in the us. Told them I was making a set of test batteries but to no avail.
   Hope that helps you out. Really simple circuit, use CMOS and you can go direct up to 15v easy. Fair value of ohms on the coil will net you a good back spike. Just dont go blowing the plates out of your batts. :)
thay

Quote from: thaelin on July 05, 2025, 10:40:03 AMDusted off the log books and found I had not logged in here since '21. How time flies . Was playing with the TS and killed a set of nicads. glad they were not lithiums for sure.
Romero, thanks for keeping this up and going tho lots of the files are not found now. Was a great walk back to 2011 and on. Hope this finds you well and still at it. The bug never leaves when we get it. We just keep finding new things to play with.
thay

Hi thaelin,

Would you mind sharing more details about your set up? I took a break and finished couple suspended since 2019/2020 projects but want to get back to TS one day. What kind of coil/core are you using. Are you running on 4 NiCads or batteries and caps?

Thanks

Dusted off the log books and found I had not logged in here since '21. How time flies . Was playing with the TS and killed a set of nicads. glad they were not lithiums for sure.
Romero, thanks for keeping this up and going tho lots of the files are not found now. Was a great walk back to 2011 and on. Hope this finds you well and still at it. The bug never leaves when we get it. We just keep finding new things to play with.
thay

Quote from: Romero on March 20, 2025, 10:41:42 AMit takes a lot of time to get the right coil, especially because we don't understand completely the working principle.

You got that right. I use #23 wire. Steel core didn't work, since Al value was too low. Nano toroid has very high but that didn't help so far. I removed some windings and left only one layer (approx. 100T).
Been trying to sweep through frequency to find something to hang onto but still no luck.
I'm currently running on two 10.5V NiKad batteries and two 10,000uF capacitors.

Thanks

Quote from: blackchisel97 on March 15, 2025, 12:53:44 AMHi Romero,

I understand very well, as I still have some unfinished projects related to electro-medicine, which were put on hold couple years ago but I hope to finally get them done.
Your TS idea was very intriguing and I just wanted to replicate and see what you saw.
I may reduce number of windings, as this core has very high Al (123,000), thus high inductance.
I also got an idea to reduce number of turns on L1 by half, compared to L2/L3/L4  (1,2,2,2). Just need to keep an eye on the linearity of the current, to avoid saturation.
I have a feeling that I'm currently running on too low current to see any significant gain and I can't find a spot where coil would oscillate. My understanding (from you old posts) is that this is necessary to see something happening.

Thanks!

V

it takes a lot of time to get the right coil, especially because we don't understand completly the working principle.

Hi Romero,

I understand very well, as I still have some unfinished projects related to electro-medicine, which were put on hold couple years ago but I hope to finally get them done.
Your TS idea was very intriguing and I just wanted to replicate and see what you saw.
I may reduce number of windings, as this core has very high Al (123,000), thus high inductance.
I also got an idea to reduce number of turns on L1 by half, compared to L2/L3/L4  (1,2,2,2). Just need to keep an eye on the linearity of the current, to avoid saturation.
I have a feeling that I'm currently running on too low current to see any significant gain and I can't find a spot where coil would oscillate. My understanding (from you old posts) is that this is necessary to see something happening.

Thanks!

V

Quote from: blackchisel97 on March 11, 2025, 01:49:52 AM@Romero,

Do you have a scope shot of the coil from TS experiment you could share?
Have you tried running this circuit on ultra-capacitors and if yes, what capacitance you'd suggest?

Thanks

V

Hi, This experiment was done very long time ago and I don't remember if I have taken any scope shots. I did not run it on supercapacitors. I had a long time without touching any of my experiments. Many of them I don't have. For the last few months I started again and I do have some intresting results. I am planning to put them on youtube but at the moment all of them are in a mess, very difficult for people to understand, with wires going in all directions.

I'm wondering about the diodes between drains and ground. 1N5408 are common rectifiers, while Mosfets have internal fast diodes. Are they necessary?