Re: Vacuum Triggered Spark Gap

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

Original poster: "Jeremy Scott by way of Terry Fritz <teslalist-at-qwest-dot-net>" <supertux1-at-yahoo-dot-com>

I kinda figured that.. oh well...

I was trying to find some use for my dinky NST :)


--- Tesla list <tesla-at-pupman-dot-com> wrote:
 > Original poster: "Jim Lux by way of Terry Fritz
 > <teslalist-at-qwest-dot-net>" <jimlux-at-earthlink-dot-net>
 >
 >
 > You NEED the high voltage from the HEI coil (i.e.
 > 30-40 kV) to breakdown
 > the gap.  The 6 kV NST just won't have the voltage.
 > I'd stick with the HEI coil design..   The dimmer
 > makes nice impulses to
 > fire the HEI. The capacitor is the energy storage
 > for the system (and a
 > current limiter).
 >
 >
 > At 05:09 PM 6/30/2003 -0600, you wrote:
 > >Original poster: "Jeremy Scott by way of Terry
 > Fritz
 > ><teslalist-at-qwest-dot-net>" <supertux1-at-yahoo-dot-com>
 > >
 > >Hi,
 > >
 > >I'm going to build one of those 'sucker' type
 > static
 > >gaps that use a vacuum motor assembly and copper
 > pipe.
 > >
 > >I'm using 3/4" copper pipe with a 'ring' of 1/8"
 > >tungsten rods strapped around it that protrude
 > >slightly longer than the copper pipe.
 > >
 > >It will probably function fairly well by itself
 > >without any triggering, as most designs of this
 > >type do. However, I want to have the option of
 > >making it triggerable.
 > >
 > >I've studied the plans for the HEI coil/lutron
 > dimmer
 > >circuits at
 > >http://www.classictesla-dot-com/download/tgap.pdf
 > >
 > >I'd like to make something similar, but instead of
 > an
 > >HEI coil, I was considering a small NST. (6KV/20mA)
 > >
 > >Provided the current and voltage are acceptable
 > from
 > >the NST to initiate breakdown, would a standard 5A
 > >unmodified Lutron dimmer work for it's phase
 > control?
 > >
 > >Could I eliminate some of the discrete components
 > that
 > >are in the web plans listed above since the NST
 > should
 > >be more current-capable than the HEI?
 > >
 > >
 > >Thanks,
 > >
 > >Jeremy
 >
 >
 >