Thank you!!!

No won’t work with stone unfortunately

Yeah it’s crazy. It’s used all over the US

@@BrianDhvTinkerer Any Idea where to buy the cheap chinese Mats? the poster referred to them in his other video....

Looked back at his prior vid, he did mention ALI and EBay.

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Yes coil can be made bigger. It will work with any size coil. For larger coil the resonant frequency will be lower. This needs to be above 20 kHz. This can be done by lowering tank capacitance value for larger coils. The current rating of the capacitor or capacitors needs to be at least 500A or above. I have two parallel 650A caps (1300A) which is overkill. It’s better to use water cooled capacitors.

@BrianDhvTinkerer ok so there is some calculations that need to be made I am guessing for the number of turns as well? I don't quite understand everything you said, but I have sitting in the scrap pile a large transformer with some copper winding that is hard to bend that might work for making a coil, unless it will melt? I see some run water through the tubes that make the coil, so I am not sure since aluminum melts lower than copper.

😂

Thanks!

The clamp is to make sure that the wood I am cutting is affixed to the table and does not slide

Thank you- it was a really interesting experiment!!!!

Yes tried it and it works very well for music. Look at this demo that ArcAngel did: kzbin.info/www/bejne/kJ3Tlnuhirx3qNUsi=KCpOXhvHv-l6X68a

Yes they run great with DC from a SMPS

You and ScitubeHD inspired oldmanbuilds and me to use the ZVs in our Tesla coils. You both deserve all the credit for turning us into this driverless circuit! Thank you!

Hobby tinkerers do that quite a bit but they realize fast it's quite a waste of time. There are also quite a bit of tall structures on the planet. If it was really that viable you would see it more. People use what works.

Yep Got a new board. Pl check out gerber and BOM in the description

I found the Gerber files, uploaded them to JLCPCB way and ordered 25 circuit boards. It only cost me $50.

It’s better to use a 100 nF CD cap instead of 150 nF unless you want to make a larger coil. Have had great results with it so far

@@BrianDhvTinkerer he is using two 150 nF caps in series, resulting in 75 nF.

The lower capacitance means that the current flowing in the primary tank is less which is less hard on the IGBT or Mosset switches. It also means that you can have more primary turns which gives better coupling and more energy transferred to the secondary coil.

It’s my favorite coil set up and by far easier to set up a compared with a class E Tesla coil. - it will run nonstop for ages without any heating of the switches.

Yes they are cute they also talk

Value 1.29 nF

@@BrianDhvTinkerer appreciate the help very much hope you have a good week. your channel is awesome. i hope you get a million subscribers

@@BrianDhvTinkerer thompsons formula

Thank you!!!

He mentions a “12 volt wall adaptor” in his introduction. So- assume something like a generic 12v 2A wall wart.

He mentions half wave rectified AC further into the video as well.

Yes, exactly exactly. What passes through the diodes is the positive half of the AC sine wave. The upwards slope has a ramping effect on output resulting in spark growth like in a QCW coil

Thank you!!!

250-280 kHz

Just measured it this morning. Resonant freq is 277 kHz. I was basically 2 turns on my primary which was driving up the current. I reduced the resonant cap from 150 nF to a 100 nF cap. Now I’m out at 3 turns and unit is running great!

@@BrianDhvTinkerer thank you for the update! Loving this topic

i put the download links in the description. You can get them here: Gerber files for making your own board from JLCPCB can be downloaded here: drive.google.com/file/d/1LT99xMJM3GokFdwl1bjIvzCh1FI0mYt3/view?usp=sharing Bill of materials (BOM) can be downloaded here: drive.google.com/file/d/1e315jqtna1GlXcUyhYC_6J7t62630wV5/view?usp=sharing it takes 4 days to get the boards made. One of the most fun projects I have done.

Bill of materials doesn’t include the two IRFP260N MOSFETs. IRFP 460N would work just as well.

Thank you!!!

@@BrianDhvTinkerer 🤩

Yes absolutely. Instead of supplying AC just put in DC 0-60V and it will work with a silent hissing sound of the DC plasma. Adding a class A amplifier in the neg rail of the DC input will allow AM musical output

@@BrianDhvTinkerer Thank you for the quick reply. Where can I find the circuit diagram and board design? I looked on your links and could not find it. Thank you again.

@@polygon2744 you can download the Gerber files and BOM here: Gerber files for making your own board from JLCPCB can be downloaded here: drive.google.com/file/d/1LT99xMJM3GokFdwl1bjIvzCh1FI0mYt3/view?usp=sharing Bill of materials (BOM) can be downloaded here: drive.google.com/file/d/1e315jqtna1GlXcUyhYC_6J7t62630wV5/view?usp=sharing

@@BrianDhvTinkerer Thank you very much!

It runs around 80 kHz. Now I have a self resonating one that works pretty well

I’ve tried running them upside down with no liquid butane coming out -- I’m guessing that there’s a safety built into the thermacell to prevent this

Right should work

@@BrianDhvTinkerer in your sch i saw that you use only 1 inverting level of 74hc14 right (which is pin 3 to 4) ? Thanks anyway for sharing the project

Thank you

I’ve just fabricated some boards to make this process a lot easier. They haven’t yet come in, but I’m expecting to get them on Wednesday and will give them a test run and if they look good, I’m gonna post a video on it and maybe give away a few free boards.

Thank you!

I think it’s phosphoric acid or poly phosphoric acid from water traces

You’re welcome. Happy it helps !!!

Thank you!!!0

Try this one it is the same circuit: teslascience.wordpress.com/autotuning-9kw-induction-forge-version-1-2

Here is the link to Autotuning current limited version- I hope this helps you to build one: teslascience.wordpress.com/simple-and-effective-induction-heater-current-control-circuit/

Good idea. Some permethrin comes dissolved in petroleum spirit

Yes sorry it took a while to get back to you I believe the adaptors came with the neon brand butane. I will try and upload a pic next to a coin when I get back in town.

@@BrianDhvTinkerer That would be great... I finally ended up figuring out a way, but a zoomed photo will help folks a lot. Because a lot of "push" pressure is needed to open the valve to fill, the tip with the small indent (notch cut out), was getting crushed so it had no flow path. I used a sharp boxing knife to cut a slightly deeper notch and it worked (albeit not perfectly). Metal tips would be perfect or a harder plastic. Anyhow filled three tubes I had sitting empty knowing full well this master ripoff would eventually be thwarted! 😆. Thank you!!!!