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Re: [TCML] Noxiuos fumes from high powered arc/JL

Only that NOx can form nitric acid in your moist nose and lungs.

More info here: http://en.wikipedia.org/wiki/Nitrogen_oxide

--- On Tue, 10/28/08, David Rieben <drieben@xxxxxxxxxxx> wrote:

> From: David Rieben <drieben@xxxxxxxxxxx>
> Subject: [TCML] Noxiuos fumes from high powered arc/JL
> To: "Tesla Coil Mailing List" <tesla@xxxxxxxxxx>
> Date: Tuesday, October 28, 2008, 4:50 PM
> Hi all,
> I'm sure others have ran into this issue but I thought
> that
> I would bring it up to alert relative newcomers and to re-
> fresh the memories of us "old salts". As most of
> us are
> already aware, the production of ozone (O3), along with 
> various nitrogen oxides, can become rather copius during 
> operation of Tesla coils, especially the smaller to medi-
> um sized SGTCs or DRSSTCs. Without proper ventil-
> lation, these gases can quickly reach toxic levels. From 
> my personal experience, the distinctive O3 odor seems to
> actually become less noticable with higher powered SG 
> driven coils where the ground striking arcs become more 
> and more numerous and start to take on more power arc 
> characteristics than the typical purplish blue corona and 
> streamers. However, I never really gave much thought 
> to excessive toxic gas production in an improperly
> ventillated 
> area while just running or making large 60 hz. power arcs,
> like 
> in a large Jacob's ladder. Sure enough though, today
> while I 
> was playing around with my beloved 150 kvp, 600 mA x-ray
> transformer, making some impressive power arcs, I began
> to notice asthma-like symptoms with my breathing (and
> I don't have asthma) and began to cough rather
> uncontrol-
> ably. Funny thing was that I really couldn't smell any
> O3 but I still got that feeling of inhaling too much O3. 
> Once I moved outdoors to fresh air, the symptoms went
> away pretty promptly. I'm assuming that any electric 
> arc is going to produce some NOs, even though they may
> not always have a detectable odor. It seems that it takes
> longer to get over these symptoms after moving to fresh
> air when the distinctive sharp odor of O3 is noted than it
> did with today's "odorless" experience,
> though. Anyone 
> else have any more light to shead on this thread? 
> David Rieben
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