Re: Extra coil

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

Original poster: "Nebojsa Kovacevic by way of Terry Fritz <twftesla-at-qwest-dot-net>" <morfeus-at-EUnet.yu>

Hi Malcolm!

Thanks for the informations. I have made a mestake. I was considering some
Tesla`s explanations about
magnifiers and got a wrong impression about them. But, that is why you guys
are here; and some of us
want to learn as much as we can; theoreticly if not practicly.

Regards,
Nele

Tesla list wrote:

> Original poster: "Malcolm Watts by way of Terry Fritz
<twftesla-at-qwest-dot-net>" <m.j.watts-at-massey.ac.nz>
>
> Hi Nele,
>          I thought there might have been a smattering of theoretical
> musing in your post ;)
>
> On 7 Feb 2002, at 21:58, Tesla list wrote:
>
> > Original poster: "Nebojsa Kovacevic by way of Terry Fritz
> <twftesla-at-qwest-dot-net>" <morfeus-at-EUnet.yu>
> >
> > Hello All!
> >
> > Thank you all for the comments about the extra coil. I was
> > considering that coil strictly from the theoretical point of view,
> > don`t have any experiences with coils like that, only with
> > 'regular' ones. But I would like to know from all of you who had
> > the practical experiences with extra coils, what are the diferences,
> > comparing the three system with two system coil? Is there any
> > dieference, and is it really irrelevant?
>
> On building my first magnifier, I tried to make it work as Tesla had
> prescribed (the 1/8 wave, 1/4 wave thing) and was shocked to find it
> didn't work. A second attempt with different coils also failed. Then
> I simply put the scope and signal generator onto it and what I found
> matched none of the CSN theory that was supposed to describe it (and
> that was driving it from a *real* voltage source). I quickly
> discovered a single strong resonance (and a multitude of weak ones),
> tuned the primary to the strong resonance, and voila!
>
> To this day I have not found any difference in output between a mag
> and 2-coil for the same primary drive conditions. Output=input-losses
> still holds good in my experience.
>
>      From all this, I concluded that the best thing about a magnifier
> is that it allows one to move the business end of the secondary
> system well away from the primary circuit which is a good thing.
>
> Regards,
> Malcolm
> <snip>