Re: single shot
Subject: Re: single shot
Date: Fri, 17 Nov 1995 17:40:57 -0500 (EST)
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eh> Also, I know that the resistance of an arc goes down with
eh> increasing current. So the voltage of the secondary should drop
eh> considerably after the arc forms. It would be intersting to get relative
eh> voltage readings pre and post arc. A scope probe placed far enough away in
eh> a non arcing direction might allow one to see this effect.
MW>Done it, and yes. The better the spark, the quicker the oscillation
mw>dies. With a discharge rod positioned close enough to the terminal,
MW>the "feathers" disappear as the current flashes back and forth in
MW>a single discharge channel.
MW> Loose pri-sec coupling means that the system cannot behave like
MW>a voltage source. IMO Vo must drop with loading.
Malcolm (or others)
Great! You would happen to have a digitizing scope would you? I'd love to
see the waveforms.
Do you remember what kind of relative secondary voltages you got for
pre and post arc? I just interested in the ratio....