Re: Triggered gap questions

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "Luc by way of Terry Fritz <twftesla-at-qwest-dot-net>" <ludev-at-videotron.ca>

Hi Bob,

The only thing I'll try to copy is the center electrode idea not
the seal container for sure.

Cheers,

Luc Benard 

Tesla list wrote:
> 
> Original poster: "bob golding by way of Terry Fritz <twftesla-at-qwest-dot-net>"
<yubba-at-clara-dot-net>
> 
> Hi Luc,
>         Very interesting article on 3 electrode gaps.I phoned Marconi  to
> get a price some time ago. They START at 1500 dollars and go upwards. Also
> and more important to coilers the max repetition rate is only 200 PPS. I
> think they would overheat very rapidly in a Tesla coil tank circuit. I was
> going to try and copy the design but ground to a halt trying to work out how
> to seal the ends on. Heat,dissimilar materials,H2 to contain. I gave up at
> that point,and went back to Frungals writings on the subject. Jim was doing
> something with the Frungal design I seem to recall. Good luck.
> cheers
> bob golding
> 
> ----- Original Message -----
> From: "Tesla list" <tesla-at-pupman-dot-com>
> To: <tesla-at-pupman-dot-com>
> Sent: Friday, July 27, 2001 2:06 PM
> Subject: Re: Triggered gap questions
> 
> > Original poster: "Luc by way of Terry Fritz <twftesla-at-qwest-dot-net>"
> <ludev-at-videotron.ca>
> >
> > Hi Mike
> >
> > I have a paper that could interested you on my download site:
> >
> > http://homepage.mac-dot-com/ludev/
> >
> > When there open the folder "Tesla" and download the document
> > "3elec_sg.pdf" It's really interesting and I'll try to base my
> > future trigger gap in this concept ( the trigger electrode out of
> > the way of the 2 main electrodes ).
> >
> > Cheers,
> >
> > Luc Benard
> >
> > Tesla list wrote:
> > >
> > > Original poster: "by way of Terry Fritz <twftesla-at-qwest-dot-net>"
> > <Hollmike-at-aol-dot-com>
> > >
> > > Ok,  Here's a question for the triggered gap gurus:
> > >     I have been reading this thread with much interest.  It sounds like
> a
> > > great alternative to the SRSG!    One thing I read is that the primary
> > > current passes 'through' the trigger electrode.  My question is, could
> the
> > > trigger electrode be positioned slightly out of alignment with the
> primary
> > > gap electrodes so the triggered arc would have to take a slightly 'bent'
> > > path?  This, if so, would seem to me to help alleviate heating and/or
> > > corrosion of the trigger electrode.
> > >    It would seem that the trigger electrode could be made into a sharp
> point
> > > and cause the ionization of the space between the gap electrodes
> >
> > I'll try a flyback circuit too, because may be the RF corona from
> > it could be sufficient to trigger the gap ????
> >
> >
> >
> >  to provide
> > > the conductive channel to form more easily and not actually have the
> primary
> > > current contact the trigger electrode at all(or very little anyway).
> If the
> > > trigger electrode were positioned from below the primary gap electrodes,
> the
> > > heat might also help 'move' the arc away from the trigger electrode.
> > >  The first objection to this idea, I imagine, is that might argue that
> this
> > > would effectively make the gap too wide and kill a NST, but if one
> placed
> > > another gap or two in series, the triggered gap could have a large
> percentage
> > > length change, but the overall gap length would not change by much.
> Having
> > > the series gaps would also seem to aid quenching as well.
> > > Comments?
> > > Mike
> > >
> > >
> >
> >
> >
> >
> >