Re: [TCML] Double-layer secondary coil

[bartb <bartb@xxxxxxxxxxxxxxxx>]

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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