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Hmmm another thing I just thunk of.. when the positive electrode is drilled, if it's a copper plug, one might get down to the copper, or a lot closer to it... now this may effectively reduce the resistance at high voltage, because I'm thinking that the core nose is part of the resistance of the plug, and if one allows the high voltage to take a route where it can move as surface charge, it miiiight be a less resistive path than if it had to go all the way through the bulk of the carbon stuff.
I'm gonna have to measure resistance to the tip and resistance to the bottom of the cavity next time I drill one to see if they are the same or not.
Edit: Gah, and now it makes sense why some people expect it to blast ions out of the cavity. I was always skeptical of that, but if the energy is passing up the sides of it as surface charge it could well make ions in whatever gas is present, which then become the path of least resistance, so the spark jumps through them, heating the gas more and expanding it, so it jets out with the spark and is pulled toward the negative.... And... that will only happen if the core nose is resistive... hmmm seems to be a case for picking your mod plugs carefully, I'm pretty sure autolite were constructed in that way, will have to check up on anything else...
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I remember The RoadWarrior..To understand who he was, you have to go back to another time..the world was powered by the black fuel & the desert sprouted great cities..Gone now, swept away..two mighty warrior tribes went to war & touched off a blaze which engulfed them all. Without fuel, they were nothing..thundering machines sputtered & stopped..Only those mobile enough to scavenge, brutal enough to pillage would survive. The gangs took over the highways, ready to wage war for a tank of juice
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