Re: [TCML] Rectifying a Tesla coil

[Sfxneon@xxxxxxx]

Hi Ben, all,
 
It's a good thought experiment, but definitely not that simple. Both  the 
glasswork and achieving the degree of vacuum required are way out of  reach of 
most experimenters. A hard enough vacuum for a hot cathode  vacuum rectifier is 
very difficult to reach and requires much more  than just a good mechanical 
two stage rotary vane pump. Even the vacuum level  used in making neon and 
fluorescent tubes is no where good enough for making  electron vacuum tubes. And, 
while it might provide some rectifying action, it  would likely produce some 
low energy x-rays too.
 
That said, if your real goal is to learn something, then by all means go  
ahead and try it. (Google "The Bell Jar" magazine for instructions on how to  
make your own high vacuum pumping systems) I'll even be glad to assist if I can.  
Even if it doesn't work the first time, you'll learn a lot in the process  
and you may come up with a better idea that will. 
 
Tony Greer
**************
 
In a message dated 8/31/2008 9:31:51 A.M. Central Daylight Time,  
bsneath@xxxxxxxxxxxxxxxx writes:

What about building a rectifier from scratch out of a fluro tube? A 4'  long 
tube should hold off a megavolt or two... It would be a fairly simple task  
to remove one of the filaments and replace it with a anode plate, then pump  
it down to a hard vacuum (or abouts). Why go solid state? Although i 
cant  imagine what the response time on something like that would be... just 
a  thought...
 



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