Spark plugs make for easily removable/modifiable, cheap and easy high voltage, high current and high temperature electrical feed-throughs into pressure or vacuum vessels. I don't think you can read to much into their use.
> At 04:42 PM 5/10/2012, ecat builder wrote: > >Wow. That is a spark plug on that reactor! See Pages 13, 14, 16, 18. > >Page 18 has a spark plug on the desk. Interesting... > > Maybe they preload hydrogen, let in some oxygen and ignite > it. Gives a very sharp pressure/temperature pulse. > > > >
