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Re: I've lost my k. Can someone help me find it?



Original poster: "Daniel Barrett by way of Terry Fritz <twftesla-at-qwest-dot-net>" <dbarrett1-at-austin.rr-dot-com>


    Hi hohn-
    Can you clarify what exactly you mean by 'open' and 'shorted' in this
context?


> You may have seen the Open/Short test in my Tesla Coil Construction Guide
>
>     K = sqrt(1-(Fo/Fs))  or  K = sqrt(1-(Ls/Lo))
>
> Fo = frequency when secondary coil open
> Fs = frequency when secondary coil shorted
> Lo = inductance when secondary coil open
> Ls = inductance when secondary coil shorted
>