EM only coil?

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

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