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@REPLYADDR Bob La Londe <none@none.com99>
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On 9/29/2023 3:04 PM, Jim Wilkins wrote:
> "Bob La Londe" wrote in message news:uf7egr$ek85$
1@dont-email.me...
>
> So how for does the invisible arc jump. His hand was 8-10 inches away.
> It wasn`t me. My hand was maybe 6 inches away, and I felt no static
> pop. The only time I`ve seen a normal static arc jump much longer than
> an inch or so was in extreme circumstances. Arc gap generators, St
> Elmos fire discharging off an antenna cable in a fog on boat. That sort
> of thing. In those cases it was quite visible.
>
> ------------------------
>
> I Googled to see if the flow of an insulating gas could transfer charge
> like the belt of a van de Graaff generator and what I found was that it
> has to contain particles, clean gas won`t.
>
> I thought I remembered a small shock from operating air tools.
We are getting pretty far out in the weeds here. I don`t recall ever
getting zapped by air tools, but wood shop guys have to discharge static
on dust collection systems. Lots of particles there though. I wonder
if the minimal oil from the compressor and/or air tool oil counts as
enough of a particle to create static build up. Maybe if using some
types of plastic whip lines and an oiler at the wall instead of oil
dispensed directly into the tool...
--
Bob La Londe
CNC Molds N Stuff
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