Re: Primary diameters, double primary

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Barton B. Anderson by way of Terry Fritz <twftesla-at-qwest-dot-net>" <tesla123-at-pacbell-dot-net>

Jonathan,

JavaTC is correct, about 21" (outer diameter measured at center of wire).
Primary Outer Diameter
means exactly that (I don't understand why you think this is "the space
required for the turns?).
Could you elaborate a little more?
--
Barton B. Anderson
http://www.classictesla-dot-com
Tesla list wrote:


> Original poster: "Jonathan Peakall by way of Terry Fritz
<twftesla-at-qwest-dot-net>" <jpeakall-at-mcn-dot-org>
>
> Hi All,
>
> When I was using the java TC program, it indicated that a flat secondary of
> 12 turns with an inner diameter of 8", made of 1/4 tubing spaced .3 of an
> inch apart would make a secondary around 21" in diameter. I accepted it
> without thinking about it. When I went to lay out the support pieces, I
> realized that 21" is the space required for the turns, NOT the diameter. So
> to make the primary indicated above would be just about 48".  I just don't
> have the room to store a 4'x4' stand for it.
>
> So, a double layered primary? Any other options? I seriously CAN'T have a
> 4'x4' primary, I live in a tiny cabin in the middle of the woods and my shed
> is STUFFED!
>
> Thanks all!
>
> Jonathan Peakall