holy crap that's a lot of links CJ! Did you ever make backups of the files on your old site?
BTW, I finally got a bit of DCR/L testing done on the 10K:10K... My LCR doesn't read well in the highest (<200H) setting, which kinda sucks... DCR is about 1375 for each coil. Since they're wound in sections, I think I can extrapolate the L of the coil, but I'm confident it's over 80, maybe over 100H.
So, it's wound Pri-Sec-Pri-Sec-Pri. 22 layers total for each coil, sec is divided 11-11, primary is 7-8-7. Don't know how to plan the balance of the coil, not sure how important it is, I'm assuming CMRR degrades with unbalanced coils. But then, maybe this is balanced enough. I'll stick it in a circuit sometime this week after I put real leads on it.
OK, so on to L. Primary I got a reading of 17.3H each on the first and last sections of the primary. (the <20H setting normally reads well). The middle section is over 20H, and in the <200H setting it keeps bouncing around. I'll look for a new battery to see if that changes anything. Anyway, just those two sections alone should give 17.3 x 4 = 69.2H if wired in series, so I'm fairly certain we're over 100H on this coil, cuz the third section has an extra 194 turns.
I also measured the Sec L, and got 28.7 on the first section, but the second I couldn't get a good reading. But if these coils are equal, then the same "2 squared" rule applies, and we should have 28.7 x 4 = 114.8H.
Moral of the story, (besides that I need a new LCR, prefereably a nice bridge), is I overdid it on the henries, or rather, didn't account for the fact that you get more henries per turn as you get further from the center (at least that's how it is on inductors I've wound). That said, I could probably cut the turns down by a bunch (and/or use larger wire) and still be over 80, with much less DCR to boot.
thanks for all the help guy, I'll keep working on this thing until I get the PCBs for the compressor.
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