Re: [TCML] Jacob's ladder plasma "Rope"

[Slurp812 <slurp812@xxxxxxxxx>]

Iv actually done this, and recorded it. I have it on you tube. OK, don't
laugh too hard at how silly I look.
SOrry for the OT, but here it is...

http://www.youtube.com/watch?v=PadusxJpn-Y



On Tue, Jul 22, 2008 at 9:26 AM, Terry Oxandale <Toxandale@xxxxxxx> wrote:

> I noticed with my much smaller ladder (nothing compared to David's barn
> burner) that placing (and varying) capacitance across the output of the
> transformer had an effect on the appearance and sound. Obviously the has
> other implications on power draw, but for the smaller ladder, it seemed
> to stabilize the arc. Unfortunately, it takes a large voltage rating on
> the cap to do this, but it didn't take much capacitance to see and hear
> a difference.
>
> (un)Terry
>
> -----Original Message-----
> From: tesla-bounces@xxxxxxxxxx [mailto:tesla-bounces@xxxxxxxxxx] On
> Behalf Of Mark Olson
> Sent: Monday, July 21, 2008 9:17 PM
> To: Tesla Coil Mailing List
> Subject: Re: [TCML] Jacob's ladder plasma "Rope"
>
>
>
> Hi all,
>
>
>
> Most of the time the arc climbs with a "ragged" sound
> and appearance. The plasma flame is rather ragged
> and shimmers much like a real flame. However, once
> in a great while (probably on the average of one climb
> out of several hundred arc ascensions) the arc climbs
> with a very smooth 60 hz. hum and kind of gently "rolls"
> up the rails with a smooth, 1/2" to 1" thick rope-like ap-
> pearance. It will usually curl and stretch out unusually
> far before finally breaking at the top of the rails, too. I
> really like this beauthiful effect but it seems to occur all
> to seldom and I can't seem to determine a "rhyme or rhy-
> thm" for how or why it occurs when it does occur. I would
> assume that it has something to do with the air currents
> and such? I was just wondering how many others have
> experienced this effect and if anyone had any ideas as
> to the probable cause for this effect or if it could be re-
> liably repeatable upon demand?
> Pondering,
> David Rieben
>
> I have seen this once or twice with nst xfmr jacob's ladders made with
> large
> (1/2") rods
> and stiill air.  Perhaps putting it in a clear tube would help "figger"
> it
> out. ?
>
> Marko
>
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