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Re: [] conical secondary (fwd)
---------- Forwarded message ----------
Date: Sun, 17 Jun 2007 13:25:10 -0400
From: BRIAN FOLEY <ka1bbg@xxxxxxxxxxx>
To: Tesla list <tesla@xxxxxxxxxx>
Subject: Re: [] conical secondary (fwd)
Hi, go to the museum site and contact Jeff, i am sure he will give you all
kinds of info. cul brian f.
----- Original Message -----
From: "Tesla list" <tesla@xxxxxxxxxx>
To: <tesla@xxxxxxxxxx>
Sent: Sunday, June 17, 2007 12:10 PM
Subject: Re: [] conical secondary (fwd)
>
> ---------- Forwarded message ----------
> Date: Sun, 17 Jun 2007 12:27:30 -0400
> From: sheelite@xxxxxxx
> To: tesla@xxxxxxxxxx
> Subject: Re: [] conical secondary (fwd)
>
>
> The Electrotherapymuseum has really become a valuable collection, thanks
and congratulations.
> I was curious about the Kinraide photographs, particularly 0600_A.? Any
idea how this was done?
> thanks,
> bobt
>
>
>
>
>
> -----Original Message-----
> From: Tesla list <tesla@xxxxxxxxxx>
> To: tesla@xxxxxxxxxx
> Sent: Sat, 16 Jun 2007 2:32 pm
> Subject: Re: [] conical secondary (fwd)
>
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> ---------- Forwarded message ----------
> Date: Sat, 16 Jun 2007 15:19:45 -0400
> From: BRIAN FOLEY <ka1bbg@xxxxxxxxxxx>
> To: Tesla list <tesla@xxxxxxxxxx>
> Subject: Re: [] conical secondary (fwd)
>
> Hi, yes on pancake coil, see www.electrotherapymuseum.com/ for all kinds
of
> pancake stuff. cul brian f.
> ----- Original Message -----
> From: "Tesla list" <tesla@xxxxxxxxxx>
> To: <tesla@xxxxxxxxxx>
> Sent: Saturday, June 16, 2007 11:33 AM
> Subject: Re: [] conical secondary (fwd)
>
>
> >
> > ---------- Forwarded message ----------
> > Date: Sat, 16 Jun 2007 11:34:58 -0400
> > From: Marko Ruban <Marko@xxxxxxxx>
> > To: Tesla list <tesla@xxxxxxxxxx>
> > Subject: Re: [] conical secondary (fwd)
> >
> > Just out of curiousity.... has anyone ever built a pancake TC secondary
> > (in a home built system)?
> >
> >
> > Tesla list wrote:
> >
> > ---------- Forwarded message ----------
> > Date: Fri, 15 Jun 2007 19:25:06 -0700
> > From: wysock@xxxxxxx
> > To: Tesla list <tesla@xxxxxxxxxx>
> > Cc: William.C.Wysock@xxxxxxxx
> > Subject: Re: [] conical secondary (fwd)
> >
> > Hello Finn and all.
> >
> > It has been quite a while since I've written to the List. This business
> about conical
> > secondary coils has caused me to now reply. Finn, you are right.
winding
> a conical
> > secondary coil (regardless of size) from the small diameter end to the
> large end
> > is the only way to go. There are techniques that one can use to support
> the first
> > 10 or so windings to be held in place as you continue to wind.
> >
> > Why use a conical coil form? It has nothing to do with "old classic
> designs".
> > Rather, it has to do with placing the greatest amount of the secondary
> coil
> > inductance in closer proxcimity to the primary coil. Think about it.
> There is
> > another advantage to a conical secondary coil design. That is, reduced
> > corona leakage stress at the top of the coil due to its shape (not
> withstanding
> > whatever "top load" electrode geometry you chose to use).
> >
> > Proof of how successful this secondary coil design can be? Just look at
> the
> > Griffith Observatory coil on my web site at: http://www.ttr.com. Also
> please
> > see the two one-to-one copies I've made of this coil: GPO-1 and GPO-2.
> > There is also a (mini) version of GPO-2 that is linked to my web site.
> > All these coils are up and running in a public venue setting.
> >
> > It interesting to note, that Tesla himself, in his first (medium size)
> resonator coil
> > at his 5th Ave. laboratory before it burned down, ( see the image of
this
> coil
> > in the Beograd book "Tribute to Tesla"), and also his first secondary
coil
> design
> > at Colorado Springs (in the book Colorado Springs Notes), were also
> conical
> > secondary coils.
> >
> > When it comes to design details of "what is the most efficient form of
> r.f.
> > resonator coil system"? It goes like this:
> >
> > Least efficient (but most practical design to build): cylindrical
> secondary.
> > More efficient (but difficult to wind): conical secondary.
> > Most efficient (but the hardest to build): pancake secondary and
primary.
> >
> > My friend and colleague Jeff Behary, has been making many new
> breakthroughs
> > in this last area of investigation. Please see his web site at:
> > http://www.turnofthecenturyelectrotheripymusuem.com.
> >
> > Best regards,
> > Bill Wysock.
> >
> > Date sent: Fri, 15 Jun 2007 18:14:12 -0600 (MDT)
> > From: "Tesla list" <tesla@xxxxxxxxxx>
> > To: tesla@xxxxxxxxxx
> > Subject: Re: [] conical secondary (fwd)
> > Forwarded by: tesla@xxxxxxxxxx
> > Date forwarded: Fri, 15 Jun 2007 18:14:14 -0600 (MDT)
> >
> >
> >
> > ---------- Forwarded message ----------
> > Date: Fri, 15 Jun 2007 19:26:16 +0200
> > From: Finn Hammer <f-h@xxxx>
> > To: Tesla list <tesla@xxxxxxxxxx>
> > Subject: Re: [] conical secondary (fwd)
> >
> > All,
> >
> > I`d say that if you wind it from the skinny end towards the fat end,
> > winding should not pose any problems at all. In fact, it should be
> > easier, since the wire will tend to snuggle close together (good)
> > without any special effort.
> > The coilform could be made in any number of ways. I think I`l wait to
> > decide how, until I need one.
> >
> > Guess this didn`t help much.
> >
> > Cheers, Finn Hammer
> >
> > Tesla list skrev:
> >
> >
> > ---------- Forwarded message ----------
> > Date: Fri, 15 Jun 2007 07:26:38 -0700
> > From: Anthony R. Mollner <penny831@xxxxxxxxxxxxx>
> > To: Tesla list <tesla@xxxxxxxxxx>
> > Subject: RE: [] conical secondary (fwd)
> >
> > Speaking of conical secondary, does anyone have any suggestions on
making
> > them and the coil form it self?
> > Tony
> >
> >
> >
> >
> >
> >
> >
> > ___________________________
> > Tesla Technology Research
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
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