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RE: High Inductance Secondaries and DRSSTCs
Original poster: "McCauley, Daniel H" <daniel.h.mccauley-at-lmco-dot-com>
> > I'm currently designing my secondary coil for my "Psychosis
>Coil" which will > be 48" winding length, 25 AWG, on a 12.5"
>Dia. > coilform. About 2700 total turns. Total Ls of the
>secondary is about 440mH > and resonant frequency of the
>entire secondary / toroid assembly is about > 30kHz.
>Sounds good to me. Thats like my coil, just much larger
>diameter. I used 26 awg on an 8" form and 45" tall.
Actually, I changed my mind. I decided to go with 22 AWG instead. This
will bring my Ls to about 221mH instead
of 440mH, so i can maintain about 8 turns on the primary instead of 11
> > Anyone else see anything troubling with my secondary??? I
>can't. I should > have probably used a larger gauge wire
>(maybe 22 AWG), but i just bought > a 68 LB spool of this 25
>I think it should work fine. For a SGTC it might not be
>optimal, but secondaries like this seem to work fine on DRSSTCs.
Cool, thanks for the comments.