Re: EM only coil?

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

Original poster: "robert & june heidlebaugh by way of Terry Fritz <twftesla-at-qwest-dot-net>" <rheidlebaugh-at-desertgate-dot-com>

Josh;  If you make the toroid large enough to prevent breakout you can tune
your coil to get max transpher and no spark.
    Robert  H
-- 


 > From: "Tesla list" <tesla-at-pupman-dot-com>
 > Date: Thu, 12 Dec 2002 14:02:27 -0700
 > To: tesla-at-pupman-dot-com
 > Subject: EM only coil?
 > Resent-From: tesla-at-pupman-dot-com
 > Resent-Date: Thu, 12 Dec 2002 14:06:08 -0700
 >
 > Original poster: "J Dow by way of Terry Fritz <twftesla-at-qwest-dot-net>"
 > <jdowphotography-at-hotmail-dot-com>
 >
 >
 >
 >
 >
 > Hello all
 >
 > I want to construct a tesla coil that is not about sparks but about EM 
field.
 > Most of us are all about efficiency and longer sparks. I am too.
 >
 > I'm intrigued with the coils ability to illuminate things at a distance. As
 > I am an artist this is proving immensely interesting. Imagine the
 > possibilities. Lighted objects with no visible power source.
 >
 > Any way I've personally observed that a coil need not make sparks to put
 > out a large EM field. I was reading that when a coil is out of tune it
 > makes a bigger field and the field from a coil that is in proper tune is
 > hardly detectable. I have observer this in my own coils.
 > So lets say I construct a coil for EM purposes only. Obviously the amount
 > of power I use will affect the size of the EM field. But I imagine that the
 > pir/ sec ratio can be wildly out of balance. Any thoughts as to the
 > possible construction?
 >
 > Read you later
 > Josh
 >
 >