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Re: How to rise the secondary? (fwd)



---------- Forwarded message ----------
Date: Wed, 15 Jul 1998 11:22:53 EDT
From: wb8jkr-at-juno-dot-com
To: tesla-at-pupman-dot-com
Subject: Re: How to rise the secondary? (fwd)

  Oh its definitely valid, the shift on my
Pandora 5KW coil was about 15 Khz
with a 7-8 foot spark.

Mark Graalman


On Wed, 15 Jul 1998 08:38:30 -0600 (MDT) Tesla List <tesla-at-pupman-dot-com>
writes:
>
>
>---------- Forwarded message ----------
>Date: Tue, 14 Jul 1998 23:31:45 -0600
>From: terryf-at-verinet-dot-com
>To: Tesla List <tesla-at-pupman-dot-com>
>Subject: Re: How to rise the secondary? (fwd)
>
>At 09:33 PM 7/13/98 -0600, you wrote:
>>Date: Mon, 13 Jul 1998 00:22:50 -0400
>>From: Richard Hull <rhull-at-richmond.infi-dot-net>
>>To: Tesla List <tesla-at-pupman-dot-com>
>>Subject: Re: How to rise the secondary? (fwd)
>>
>>
>>
>>Tesla List wrote:
>>
>>> ---------- Forwarded message ----------
>>> Date: Fri, 10 Jul 1998 23:37:10 +0000
>>> From: "John H. Couture" <couturejh-at-worldnet.att-dot-net>
>>> To: Tesla List <tesla-at-pupman-dot-com>
>>> Subject: Re: How to rise the secondary? (fwd)
>>>
>>>   Richard, et al -
>>
>>
>>
>>>   Do you (or R. Hull) have any test data that would show how much 
>the
>>> streamer loading, etc. capacitance is and how much it affects the 
>operating
>>> frequency after the toroid mounting capacitance change is taken 
>into
>>> consideration? As I indicate above the operating frequency change 
>for only
>>> the streamer loading, etc. should be very small.
>>
>>...........................Streamer loading on a real big system is 
>extreme.
>>Nemesis' instrumented resonance with top load was 66khz.  Running, 
>for best
>>spark, another whole turn was required to go to 54khz.  I learn 
>quickly to drop
>>the calculations and expect at least a full extra turn on all 
>primaries where a
>>toroid was used whose diameter was in excess of  100% the coil 
>height.  After
>>1992 all of my magnifiers used toroidal diameters which approach 200% 
>of the
>>resonator coil height.  Maggey 11-E  uses a 46" diameter toroid on a 
>12" long
>>resonator.  R. Hull
>>
>>.............................
>>
>
>        I originally didn't think this capacitance loading effect from
>streamers was valid.  However, I now feel that the scale I tested at 
>and the
>scale (Nemesis) that Richard tested at, are not comparable.  More 
>testing is
>needed with high power and BIG streamer systems to verify this effect. 
> I
>still have my doubts but I don't have any data to verify them.  
>
>        Terry Fritz
>
>

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