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Aaron
04-29-2015, 07:02 AM
This will serve as a support thread for anyone who is interested in exploring the unconventional side of Crystal Radios - and for anyone who wants to take up Eric Dollard's challenge of lighting bulbs from a Tesla style crystal radio.

We recently filmed a basic presentation with Eric explaining more about the Crystal Radio Initiative and we have compiled the posts from Energetic Forum that relate to this challenge.

Watch the video free and download the 302 page PDF... Crystal Radio Initative (http://crystalradioinitiative.com)

Aaron
05-01-2015, 08:29 PM
Watch the video free and download the 302 page PDF... Crystal Radio Initative (http://crystalradioinitiative.com)

If you already subscribe to the Energy Times newsletter, you'll get the direct video and pdf link in an email today.

Marcus Neuhof
05-03-2015, 06:45 PM
Aaron,
Thanks for that! The video is great.

If I may make a request, it would be excellent to have a video of Eric working through the math for designing one of these coils, like a proper engineering lecture.

Marcus Neuhof
05-03-2015, 06:59 PM
Also, I'm looking through the book now, and it looks like page 20 has something cut off at the bottom which is probably important.

The book is very useful over all though.

Aaron
05-04-2015, 07:59 PM
Also, I'm looking through the book now, and it looks like page 20 has something cut off at the bottom which is probably important.

The book is very useful over all though.

I agree on the coil calculations. There are some spreadsheets avail to do it automatically by someone here that has already done all of this. They're looking for it.

I'll check out pg 20. Some images got laid on top of each other - microsoft word issue.

juanarg
08-24-2015, 03:10 AM
Hi, I'm starting to get into the CRI. What do you think about using a drum shell as primary and secondary coil structure?
drum shell available size: 8,10,13,14,16,18,20,22 inches. With a 14/16 inches drum shell you are in the 2000 kc/sec neighbourhood.

https://pbs.twimg.com/media/CFJ290oWYAI2D6B.jpg

I though about using these shells and first make spirals wire seats to achieve maximun symetry and equal wire gaps. After that i could do some material removal to expose the wires to the air. See inserted image. Maybe its not worth it to get coil symetry and gap perfect?

dR-Green
08-28-2015, 03:25 AM
Hi, I'm starting to get into the CRI. What do you think about using a drum shell as primary and secondary coil structure?
drum shell available size: 8,10,13,14,16,18,20,22 inches. With a 14/16 inches drum shell you are in the 2000 kc/sec neighbourhood.

https://pbs.twimg.com/media/CFJ290oWYAI2D6B.jpg

I though about using these shells and first make spirals wire seats to achieve maximun symetry and equal wire gaps. After that i could do some material removal to expose the wires to the air. See inserted image. Maybe its not worth it to get coil symetry and gap perfect?

That's potentially a good idea, but also possibly more effort than building from scratch and using wooden dowels when it comes to removing the material (accurately). I suppose it depends on what tools you have and your woodworking experience/skills. Also the downside is you can't choose the exact frequency.

juanarg
08-31-2015, 06:22 PM
That's potentially a good idea, but also possibly more effort than building from scratch and using wooden dowels when it comes to removing the material (accurately). I suppose it depends on what tools you have and your woodworking experience/skills. Also the downside is you can't choose the exact frequency.

Thank you dR-Green for the reply. I`m trying to get some equipment; will build those coils.. (not sure of the building method yet) and then i`ll post my progress with a LOT of questions. Being a beginner with no contaminated preconceptions makes me a good match for the CRI.. but I see slow progress in my project after looking at your work and others. I`m aware of the frequency issue for the CRI.. but my ultimate goal would be the TMT. I`ll do my best to get a single structured coil for now.

cheers!!

Aaron
09-18-2015, 06:50 PM
I agree on the coil calculations. There are some spreadsheets avail to do it automatically by someone here that has already done all of this. They're looking for it.

I'll check out pg 20. Some images got laid on top of each other - microsoft word issue.

Working on some stuff with Eric right now. The book is corrected page 20 & 21. V1.01 available at the same download link as the original book.