Re: More Research

From: 	Malcolm Watts[SMTP:MALCOLM-at-directorate.wnp.ac.nz]
Sent: 	Sunday, August 31, 1997 4:28 PM
To: 	tesla-at-pupman-dot-com
Subject: 	Re: More Research

HI Richard,
            I should have realized "going back down" was a bit far 
fetched. But I am interested to know whether the sparks have more-or-
less topped-out lengthwise i.e. they just get hotter instead of 


> From:   richard hull[SMTP:rhull-at-richmond.infi-dot-net]
> Sent:   Saturday, August 30, 1997 6:41 AM
> To:     Tesla List
> Subject:    Re: More Research
> At 10:30 PM 8/28/97 -0500, you wrote:
> >
> >From:  Malcolm Watts[SMTP:MALCOLM-at-directorate.wnp.ac.nz]
> >Sent:  Thursday, August 28, 1997 3:19 PM
> >To:    tesla-at-pupman-dot-com
> >Subject:   More Research
> >
> >Hello all,
> >           I have been considering the results of some experiments 
> >done by list members, some off-the-cuff observations regarding spark 
> >quality and some puzzles posed by one of the scope photos I took. I 
> >think I may be able to further penetrate the mist surronding TCs with 
> >some practical useful design directions and explanations. First I 
> >need some information from a couple of people:
> >
> snip
> >
> >To Richard Hull: How far have you taken big toploads - i.e. have you 
> >kept on increasing them _for a particular resonator_ until 
> >sparklength has either topped out or started to go back down? I 
> >realize that increasing toploads invokes other changes which could 
> >include boosting primary Q (tapping in more Lp), increasing primary 
> >energy (upping voltage, cap size or both) etc.
> ...................................
> I have never, on a single resonator, found one instance where the spark
> "turned around" or started to drop off with any size toroidal increase,
> provided I poured in more energy.  I am confident the limit is very remote
> and is as Tesla said limited purely by the geometry of the system,
> insulation, air breakdown and the ability of the experimenter to control the
> intense electric field energy.  I think maggey 11-E is a prime example where
> a 12" tall 4" diameter coil is now throwing 11 foot arcs!  I am now
> "building limited" and have little doubt that the 11 foot arcs could be
> increased if only I had the room.  RH