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RE: toroid for my coil.
Original poster: "Lau, Gary" <gary.lau-at-hp-dot-com>
The 4x30 toroid will definitely work; you may just get multiple shorted
streamers rather than the longest possible single streamer. Mostly a
personal preference thing.
Original poster: "Luke" <Bluu-at-cox-dot-net>
I will be using a 15/60 NST a cap size of about .016 mfd and I have
decided to go the static spark gap route for this coil and attack the
later if I get the bug. (thanx everyone for the info there may be a
I was going to use a toroid of 4" minor dia and about 18" major dai.
I happened to buy some flexible duct from McMaster carr and it is 4 1/8"
dia but the smallest I can roll this stuff is like a 30" outer dia.
this be out of the question for my toroid size? I would still be at eh
minor dia so the voltage breakout would be the same (I think) but I am
bit confused as to how to figure out if there will be enough joules
produced to use a toroid of this size. Seems there is no exact way of
figuring this out as a definite. So thought I would ask the experienced
ones what they thought.
I like this ducting and really want to use it. But if there is no way
will work with this coil ill have to figure something else out.