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Sounds great! The secondary inductance should be around 46 milliHenries. As my other post indicated, use at least 17 turns on your primary. Also, make sure that you have lots of air cooling for your copper pipe spark gap. The wire price was reasonable assuming you got double-build (heavy build) wire - small quantities of wire do tend to be pricey. Best regards, -- Bert --
--Previous Message--
: Hi all,
: I have just completed my new secondary, wound around 4inch PVC. It has
: 1500 turns of #28 AWG which makes for roughly 23in of winds. The
: inductance should be quite high, so I think i will need lots of primary
: turns--am I correct? I am considering a beer bottle cap, or maybe a
: splurge and buy geek group caps for my 15kV 30mA NST. I have made a dryer
: duct toroid already, but the secondary and toroid are the only completed
: components. I will be using a SG made from copper pipe. any suggestions
: would be appreciated.
: Also i got 4000 feet of 28AWG for $16.53 (+$5.00 S&H) online --ordered
: monday, recieved Wed. Is this a fair price for the wire?
: =Rockinriley14=
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