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Re: [TCML] Rectifying a Tesla coil
Hi Tony, Ben, all,
I was also wondering if the ultra-thin walls of a glass flourescent
tube could withstand the pressure gradient of a high vacuum with-
out sustaining collapse (imploding)? Even if it could, it would still
prove extremely fragile!
----- Original Message -----
Sent: Sunday, August 31, 2008 1:04 PM
Subject: Re: [TCML] Rectifying a Tesla coil
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
most experimenters. A hard enough vacuum for a hot cathode vacuum
very difficult to reach and requires much more than just a good
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
while it might provide some rectifying action, it would likely produce
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
make your own high vacuum pumping systems) I'll even be glad to assist if
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.
In a message dated 8/31/2008 9:31:51 A.M. Central Daylight Time,
What about building a rectifier from scratch out of a fluro tube? A 4'
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
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...
**************It's only a deal if it's where you want to go. Find your
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