[TCML] primary material? (interview)
electrotherapy at hotmail.com
Thu Jul 17 20:28:19 MDT 2008
I've also used romex, but kept it original. In the flat insulated form you can coil it up into a flat spiral, and connect the three wires in parallel. It doesn't look great, but it sure works in a pinch.
At the end of the gallery, you can see the romex primary hidden in electrical tape! Ugly, but rugged!
> Date: Thu, 17 Jul 2008 12:08:51 -0700> From: bwroblewski at yahoo.com> Subject: Re: [TCML] primary material? (interview)> To: tesla at pupman.com> CC: > > Hi Nicholas,> I made a TC primary with indoor romex 14-2 wire. Here's how: I stripped off all the insulation, outer jacket and the white and black leaving three bare number 14 wires. Secure one end each of the three wires with a vise or clamp to a solid work table. Keep the three wires straight and close together and using a drill gun (plug-in or cordless), insert the free end of the three wires in the chuck that would normally secure the drill bit. With the three bare wires straight and suspended between the anchor vise and the drill gun, slowly turn on the drill gun and the three bare wires will eventually tightly wrap together forming a wider solid conductor. The diameter of the wire bundle is about 0.2 inches. The wire will set together and will not unwrap. You will lose some overall length as the wire wraps together so if you need 40' then I'd get a 50' box of wire (about $29. locally). It's not rocket science, the finished product looks nice and you> can say that you made it yourself.> Caution, use eye protection and watch out for kinks and mechanical forces stored in twisting wire (keep kids and pets out of the way) when wrapping the wire. Keep the wire stored in a loose loop until used. > Good Luck,> Bob Wroblewski> Dracut, MA> > > > ----- Original Message ----> From: Nicholas J. Goble <ngoble at iwu.edu>> To: tesla at pupman.com> Sent: Thursday, July 17, 2008 1:56:53 PM> Subject: [TCML] primary material? (interview)> > I'm on the last component of my coil right now: the primary. I've done > a few calculations and found myself needing about 40' of 1/4" copper > tubing. I took a trip to Lowes and stumbled a little when I saw that > the price was $20 for 20'. Maybe that seems about right, but I really > don't want to spend that much. Any suggestions on how to find it > cheaper? Are there any alternatives to using copper tubing? I've > heard that some people use heavy wire or even magnet wire? Does that > work well? What are my options?> > Thanks for all your help. Here's a funny story.> > After obtaining my NST for free from a sign shop in Indianapolis (where > I live), I decided to write a positive Angie's List post for the shop. > This was about a month and a half ago. I was contacted this morning > from a journalist for the monthly Angie's List magazine/journal. He > wanted to ask me a few questions about why I'm building a coil and how. > I haven't even completed building the thing yet! Anyways, he asked me > if I got help or advice during construction, and I told him about TCML. > Maybe we'll get mentioned in the Indianapolis area publishing.> > Nicholas Goble> _______________________________________________> Tesla mailing list> Tesla at www.pupman.com> http://www.pupman.com/mailman/listinfo/tesla> > > > > _______________________________________________> Tesla mailing list> Tesla at www.pupman.com> http://www.pupman.com/mailman/listinfo/tesla
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