1 So more gaps are better than fewer gaps no matter what kind of gaps.
2 If in a series of rotatary and static gaps, the static gaps missfire
doesn't that negate the timing benefit of the rotatary gap?
On Jan 29, 2020 7:30 PM, "Daniel Kunkel" <dankunkel@xxxxxxxxx> wrote:
> Tedd,
> A single static gap would not quench very well, at least without the aide
> of moving air, vacuum, magnets, etc. However, a MULTIPLE series gap does
> seem to perform quite well. Yes you loose a little power with each "hop",
> but in the end you gain due to faster quenching. Each break allows the
> power to be divided up and is easier to quench.
>
> A rotary gap is OK at quenching, but it only has two "hops" (as compared
> with a typical TCBOR or RQ style gap). Plus the speed of electricity is
> much faster than the mechanical dwell time of the electrodes in a rotary
> gap. So the rotational aspect of a rotary does not do anything for
> quenching. Plenty of folks have reported "following around" on a rotary gap
> due to lack of quenching (there are videos on youtube as well).
>
> ~Dan
> Kansas city area
>
> On Wed, Jan 29, 2020 at 5:32 PM Tedd Dillard <tedd.dillard@xxxxxxxxx>
> wrote:
>
> > Why would a static gap quince better than a rotatary gap?
> >
> > On Jan 29, 2020 5:14 PM, "Gary Lau" <glau1024@xxxxxxxxx> wrote:
> >
> > > I have no experience with gaps for anything larger than an NST power
> > supply
> > > so can't comment on the series quench configuration. But based on my
> > > experience, I suspect the use of PVC in proximity to the gaps is a less
> > > than ideal idea. Even using a single NST, the white PVC turns an
> > > unsightly brown color due to the intense UV emitted by the gap. I
> don't
> > > know how its insulating or mechanical strength might be affected, but
> > > better to use G10 if available.
> > >
> > > Regards, Gary Lau
> > > MA, USA
> > >
> > > On Wed, Jan 29, 2020 at 1:03 PM Daniel Kunkel <dankunkel@xxxxxxxxx>
> > wrote:
> > >
> > > > Hello Tesla List!
> > > > I am starting to work on my next spark gap for a 6-10 KVA magnifier.
> It
> > > > seems the definitive spark gap design is that from Richard Hull/TCBOR
> > > using
> > > > a rotary gap (to control timing only) combined with a multiple break
> > > series
> > > > gap (to control quench only). Is there a better approach for gap
> design
> > > and
> > > > construction?
> > > >
> > > > Currently my plan is to use a 3.5 HP DC motor to spin a G10 disk with
> > > > tungsten electrodes and combine it with the PVC + copper tubes + fan
> > > series
> > > > gap.
> > > >
> > > > Thanks,
> > > > ~Dan
> > > > Kansas City area
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