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??SECONDARY??
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From: D.C. Cox [SMTP:DR.RESONANCE-at-next-wave-dot-net]
Sent: Wednesday, March 11, 1998 1:35 PM
To: Tesla List
Subject: Re: ??SECONDARY??
to: Zuma
The "insulation" part will not be easy. If the top is running at say
300-500 kV then insulating for 150-250 kV between layers will be nearly
impossible. The RF will make ordinary insulations look like the Grand
Canyon due to capacitive coupling and cause rapid breakdown. As the RF
capacitively couples thru the insulation it will rapidly heat the
insulation and cause thermal breakdown. Try it, and if it works, it would
be a neat experiment, but expect the worse when you try it. It might work
in a tank of SF6 gas at 140-160 PSI (400 kV breakdown per cm) but not in
open air.
DR.RESONANCE-at-next-wave-dot-net
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> From: Tesla List <tesla-at-pupman-dot-com>
> To: 'Tesla List' <tesla-at-pupman-dot-com>
> Subject: ??SECONDARY??
> Date: Tuesday, March 10, 1998 9:47 PM
>
>
>
> ----------
> From: Zuma /or CJ [SMTP:mwise-at-ns.sosis-dot-com]
> Sent: Monday, March 09, 1998 11:53 PM
> To: tesla-at-pupman-dot-com
> Subject: ??SECONDARY??
>
> I made a post about a month ago asking about a two layered coil and
> what
> the advantages were. I was told that the resistance was the only thing
> that would be affected.
>
> Now, I have a new thought. Maybe someone has tried this and maybe not.
> What if you wind your coil, then insulate it appropriatly. Then wind a
> second winding over the top of that. Now you are left with four
> possible
> combinations. First you could wire both bottom wires to ground and wire
> both top wires to the topload. Which will lower resistance.> Second you
> could wire both bottom wires to ground and wire a seperate
> topload to each of the top wires (have a lower terminal and an upper
> terminal) What would be the outcome? Third you could have sperate
> grounds of each of the bottom wires and connect both of the top wires
> to
> the same topload. What would be the outcome? Four you could wire two
> seperate grounds and wire two seperate toploads. What would be the
> outcome? I personally haven't tried any of them. Could any one of these
> combinations of wiring yeild more spark, less spark or what?
>
> I haven't heard anything on any of these wiring combinations. So I
> encourage anyone who reads this post to join in and see if I am on to
> something or are these false hopes in gaining more pizazz from our
> coils?
>
> Also since I have not personally tried any of the combinations to see
> their outcome, and plus if no one else has gave these a shot. I would
> think that one should insulate their first winding fairly well just to
> be safe. After all it is better to be safe than sorry. I know winding a
> secondary isn't the funnest thing in the world, so it might be wise to
> protect what you got. I plan on giving these a shot just to test the
> output differences. I mean if nothing else I won't waste the secondary,
> I will just wire it in parrallel and lower the resistance. That is only
> if none of the combos work as hoped.
>
> Hoping to put more spark in the sparks!
> Chris
>