FW: coil discharge color

["Tesla list" <tesla-at-pupman-dot-com>]

Original poster: "John Morawa by way of Terry Fritz <twftesla-at-qwest-dot-net>" <morawaj-at-interaccess-dot-com>


I made a Jacobs ladder using a 15kv 30ma NST over the winter.  I tried
playing
with different compounds to alter the color of the arc.  I noticed that
table
salt disolved in water and applied to the rods worked extremely well and
created
a very nice orange arc.

I also have a tesla coil that is powered by the same size NST.  It throws
about
3' arcs into the air.  I had the same idea and put a nice coating of the
salt
water over my toroid.  As I recall it only affected the color of the arc at
the
point of origin on the toroid.  The rest of the streamer was the usual
color.
A little dissapointing but oh well.  I believe Michael hit the nail on the
head
with his comments.

John M.


-----Original Message-----
From: Tesla list [mailto:tesla-at-pupman-dot-com]
Sent: Tuesday, June 12, 2001 8:59 AM
To: tesla-at-pupman-dot-com
Subject: Re: coil discharge color


Original poster: "Michael Rhodes by way of Terry Fritz <twftesla-at-qwest-dot-net>"
<rhodes-at-fnrf.science.cmu.ac.th>

In a Jacobs Ladder there is sufficient current to heat
the metal compounds (such as NaCl) to break it down
and in effect burn it in the arc.  With a tesla coil I don't
believe there is sufficient current on the top terminal (average
power TC) to heat the compound to combustion.

However, there are some interesting effects using gases that
can be ionized by the streamers such as Argon.

--Michael

----- Original Message -----
From: "Tesla list" <tesla-at-pupman-dot-com>
To: <tesla-at-pupman-dot-com>
Sent: Tuesday, June 12, 2001 12:54 AM
Subject: coil discharge color


> Original poster: "Will Daniels by way of Terry Fritz <twftesla-at-qwest-dot-net>"
<tesla_is_god-at-37-dot-com>
>
> I read somewhere that if you put strontium chloride on Jacobs Ladder's
> wires it would make the arc red.  If you were to put it on a toroid would
> it give a red discharge?  That would look really cool.
>
>      Thanks,
>         Will Daniels
>
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