Re: Rotary Sparkgap

To: tesla-at-grendel.objinc-dot-com
Subject: Re: Rotary Sparkgap
From: jim.fosse-at-bdt-dot-com (jim fosse)
Date: Tue, 20 Feb 96 22:51 PST
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>>From MALCOLM-at-directorate.wnp.ac.nz Tue Feb 20 14:45 MST 1996
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>From: "Malcolm Watts" <MALCOLM-at-directorate.wnp.ac.nz>
>To: tesla-at-grendel.objinc-dot-com
>Date:          Wed, 21 Feb 1996 09:16:23 +1200
>Subject:       Re: Rotary Sparkgap
>
>Hi all,
>       written was...
>
>> With say 14,400 volts in at 500 ma how
>> long does it take to fully charge a .025 mfd capacitor? 
>
>By my calcs (using a transformer impedance based on V/I of about 
>29kOhms) a time constant is about .75mS. 

[snip]

>Justathought,
>Malcolm 
>
>
Malcolm,
        Has anyone plotted an IV curve for a shunt limited xformer? I know
just enough transformer math to be dangerous, but my gut feeling is that
they are not linear at lower currents.

                                                jim