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Re: [TCML] Double-layer secondary coil



Hi Dennis,

The inductance won't change by 1/2 but may vary ever so slightly. The DC resistance would of course reduce by 1/2. Here's a formula for multi-layer air-core coils, but I don't know about it's accuracy and especially with only two layers involved.
http://www.classictesla.com/download/multilayer.pdf

I'm not sure of the specifics of this coil, but it may not be of the type most of us build (or it might). Gary builds a lot of different high voltage coils to his great credit. You should contact Gary to get some details on the coil.


Take care,
Bart
I'm not sure what the the additional layer's?impact is on the secondary's inductance.? I believe 2 identical coils wired in parallel would reduce total inductance by 1/2, but does the double layer configuration also have an effect I'm not taking into consideration???If so, is there a formula to calculate secondary inductance in this configuration??

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