Well, while going through the extensive junk box looking for just the right stuff for the big X ray transformer supply, I also found a few things that weren't right for that, but that should make a really nice NST type supply. It's a pretty good junkbox...thanks, BillF. I'm sort of doing this for a few reasons - just to get back in the swing, to give my back burner brain more time on the big guy - it's going to be a tough mech engineering job to fit all that in the oil tub I have and it needs more thought - and the fact that despite claims to the contrary, I've found that I can make significant neutrons with my "second, ionizing grid" with voltages and currents that *should* be well within what this can make - I expect around 20kv, and it's a 60 ma transformer. Yes, we know they are "squishy" due to a lot of series L ballast built in, but I've also found that with a little capacity - you can more or less "tune that out" and not have the severe current limit behavior. So, while going through the junk, I found these massively over-rated (for this) diode stacks - 6 AMPS at 1kv each diode, 41 diodes per board (or 41kv prv) and each diode with a 2w 1 meg and a .002 cap across it. This is almost right to resonate the series L - I might add a bit more to get it just so, but we'll fly with this initially. I have a nice pair of .1uf 10kv diodes for the series caps for the doubler, and 6 .0082 uf 10kv caps for the output filter (two sets of 3 in series parallel for .0123uf or 9 joules). That's on the small side, but it's what I have - and it will be a bit safer than a bigger output filter cap would be. The idea here is that this thing should stand any abuse I can throw at it - and if I make significant neutrons off this, with any grid, I want to debunk the idea that NSTs are only demo grade fusion supplies. Hopefully I'll later have some vids of the thing in action doing the stupid stuff kids (even we adult ones) love, like arcing continuously, burning things up and so on. For fun, I do have a 1uF 30kv maxwell to make the arcs really something. We've played with that one before, and it's about like shooting a pistol indoors when you arc it...
And here's the pic of the thing in progress. The white cap shown on the left will be mounted to the clear side plate (and so will another on the other side) as the series cap for the full wave doubler. The little guys, in two groups of 3 parallel (then in series) will go in the middle between the diode strings, output on top. There will be a small copper plate screwed to the baseplate for the main ground connection for the doubler and output filter. All the plastic was scrounged, some by me, some by Bill - dumpsters and such. We won't worry that the clear stuff is scarred and has some junk printed on it, will we?