Quote:
Originally Posted by Aaron
Steve,
It seems that electrons would have to come from the HV rod to the grid in this setup but the coil seems to charge different than a typical cap discharge and I'm not so sure it is normal electron current. It is definitely something that allows the coil to charge and with the effect, the cap discharges as if the coil isn't even there to offer any resistance or impedance.
Anyway, this would mean that at the HV rod, if that is where the electrons are coming from, voltage and "electrons" are moving in one direction while the current moves in two directions at the same time on the HV rod.
On that particular setup, there was no switch at the LV rod as it was closed. The event happened whenever C2 was high enough when there was a pulse from the ignition coil synchronized to collide and both the HV rod and C2 moved to the LV rod so the "electrons" could have easily come from the LV rod and not the HV rod, possibly.
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Aaron,
I too suspect that at least some of the electrons are coming from the LV rod. This makes sense since as you've said yourself, the LV rod is at a lower positive than C2 i.e. more negative. I figured they were arcing from the LV rod to the HV rod and thence to the grid. From your video, the green flash does seem to come from the same area that the arc is happening between the HV rod and the grid to charge C2. That is, from the end farthest from the LV rod and nearest C1. I suspect one of the places where you soldered one of the wires connecting the two grids is a little sharp or as least nearer the HV rod than the rest of the grid and so the arcing at least starts there. It looks that way on your video and is what's happening to mine.
I also suspect (hope for) something more than regular electrons, especially since the LV rod is only less positive than C2 and probably not loaded down with a lot of spare electrons.
Anyway, I'll stop speculating until I do some more work.
-Steve