Re: [TCML] Would a Tesla coil work in a vaccum?

["Alice" <alice33@xxxxxxxxxx>]

Hi Brian,

Someone would have to think of a term that catches on to convey that gap 
between the coupling.  What would say it better?  Close coupling?  Near 
coupling?  It is hard to think of a better word.  Interesting point you make 
here though.

Becky

----- Original Message ----- 
From: "Brian Hall" <brianh4242@xxxxxxxxxxx>
To: <tesla@xxxxxxxxxx>
Sent: Saturday, April 17, 2010 11:30 PM
Subject: RE: [TCML] Would a Tesla coil work in a vaccum?





Thank you for your brilliant insights!  I asked this as an interesting 
mental excersize (as I did back when asking if a VDG generator could be used 
to power a TC) and am glad for the responses.



Getting back to one of the reasons why I initially asked (here it is 
clarified a bit)



> > With no air for a 'core' (between the primary and secondary coils, those 
> > being the only parts in the vaccum)

> > would there still be streamers off the toroid, same length and 
> > brightness as there would be for the same
> > coil if the primary and secondary were not in a vaccum chamber?


Now, as I have seen on youtube and other websites, some people have called 
auto ignition transformers (which have iron cores, as I have been led to 
understand) Tesla coils - but then is it clarified that they are not, 
because a Tesla coil is 'air cored', and auto ignition transfromers are 
'iron cored' as are the NSTs, MOTs and BZTs etc we all know so well - the 
core being the medium through which the voltage and amperage are 
electromagnetically transfered.



But if air is not necessary for the coupling to work, if no physical medium 
is required to transmit the electromagnetic energy - as the absence of air 
between the coils, from what I gather, would not interfere with the 
production of resonant rise, then should we really keep classifying it as an 
'air core' transformer then?  Granted, it is very rare that one hears of a 
tesla coil being built in anything other than 1 atm, but I cant help but 
think that this  is circumstantial.



I know it may have been called an 'air core resonant transformer' for a very 
long time, and old habits die hard, but if having air present between the 
primary and secondary is not a _requirement_ for it to work - then perhaps 
the 'air core' part of what we call it should be omitted - or otherwise 
reflect the nature of what is always true about the coupling and transfer of 
energy from one coil to the other - whether in oil, air, or vaccum, just so 
long as the fluid between the pri. and sec. it is a non-conductive material?




---------------------------------- 
Brian Hall






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