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RE: [TCML] 40AWG secondary coil
Hello, Terry,
I'm sorry, but I'm not the brightest when it comes to Tesla Coil theory. What does FO stand for?
- Christopher
> Date: Sun, 28 Dec 2008 22:59:59 -0700
> From: piranha@xxxxxxxxxx
> To: tesla@xxxxxxxxxx
> Subject: Re: [TCML] 40AWG secondary coil
> CC:
>
> Only young nibble fingers can handle that thin angle hair wire :D
>
> But the usual problem is that the inductance of the final coil is very
> high forcing a low F0. If anything arcs to the wire, it is all burnt up
> too.
>
> I have lost the link to the person that had three full Tesla coils on a
> 3.5 inch floppy... But if you take into account the low F0 and perhaps
> the low "Q", it will work just fine ;)
>
> Cheers,
>
> Terry
>
>
> Christopher Karr wrote:
> >
> >
> >
> >
> >
> > Hello, everybody,
> >
> > I was reading, recently, about a coil that was using 34AWG wire for the secondary and was ran at low power levels (150VA) without any racing sparks or any other forms of damage. I was wondering if it would be possible to use a secondary wound with 40AWG wire, or if this would just be a ridiculous idea.
> >
> > I understand that it would be extremely difficult to wind a secondary with this thin of wire, and that the chances of the wire breaking are large, but I'm looking for more of a proof than an efficient coil. The form I would be using is a cardboard one with a spray-coat of polyurethane, 1.5" diameter by 7" height.
> >
> > Since TeslaMap didn't have a 40AWG option for secondary wire, I had to do my own calculations -
> >
> > Using a wire diameter of 3.14 mils to represent the diameter of the 40AWG wire, I divided '1' by '3.14' and multiplied by one-thousand so that the number would be how many winds per inch, instead of winds per mil. I took that number and multiplied it by '7', the intended number of inches for the secondary's windings in length; I came to the answer of 2229.29 winds in seven inches, with a height:diameter of 1:4.66(etc.), which is acceptable for small coils.
> >
> > Since the power supply I'm using is only 3KV at 15mA I have a primary capacitance of 20nF (.02µF). The input power is only 45VA, which isn't much energy, especially when the capacitor's output is only about .1 Joules (.09).
> >
> > Anyways, I'm just wondering if you guys think it'll work, and I'm hoping to get a topic started.
> >
> > - Christopher
> >
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