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Web page update
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From: D.C. Cox [SMTP:DR.RESONANCE-at-next-wave-dot-net]
Sent: Monday, March 09, 1998 6:56 PM
To: Tesla List
Subject: Re: Web page update
to: Bill
Sounds like a neat project. Are you applying the traditional HV from the
xmfr-cap-RSG between the outermost turn and a tap on a more innermost
turn?? Did you plan on using perhaps 20-60 turns of copper tubing or using
some type of welding cable for your pri-sec driver coil?
DR.RESONANCE-at-next-wave-dot-net
> From: Wysock, William C. [SMTP:Wysock-at-courier8.aero-dot-org]
> Sent: Monday, March 09, 1998 10:51 AM
> To: Tesla List
>
> To the Tesla List,
>
> For many months now, the references to the "13M Story"
> have not had images (figures 1 thru 19) at the end of the
> article, on my web site. They are posted now. The "Model 13M
> Story" actually begins with a design of a Magnifier (that was never
> built, Model 14M.) That design, incorporated a [hybrid] design
> Master Oscillator; i.e. a modified "pancake" primary/secondary
> critical coupled system, along with a self-resonant extra coil.
> Viewers will note that the "classic" design approach, of having
> the high potential end of the secondary, is at the center of the
> pancake, not at the perimeter. The outer-most winding of the
> secondary is connected to ground, and the center-most winding
> turn, is the high voltage output of this system, which drives into
> the extra coil.
>
> This system is at present, under preliminary construction. It
> encompasses the attributes of Tesla's early designs, as well as
> what is [speculated] Tesla accomplished in his final design at
> Wardenclyffe.
>
> There have been a number of posts on the List as of late, discussing
> the possibilities of a "pancake" style Tesla coil, with the high
> potential at the outer-most turns/diameter. This is not the way to
> go. Rather, with the ground connection being at the outer-most
> turns, you have the most desirable construction; the most turns
> and winding length, closest to ground potential and at the right
> input impedance, with the primary, coaxially wound around the outside
> diameter of the pancake. As the voltage rises, going to the inner-
> most turns per layer, there is also an automatic benefit to this
> construction; Faraday sheilding of the higher voltage layers. This
> is why the [early] electro-medical manufactures built their equipment
> the same way; always, the high voltage end of each secondary winding
> is at the CENTER of the pancake; not at the perimeter!
>
> Before a full-scale Model 14M is built, I plan to construct a 1/10
> scale model, to prove my hypothisis of design. I will share the
> results of these investigations here, on the Tesla List.
>
> Bill Wysock.
> ___________________________
> Tesla Technology Research