Thanks Michel, I am planning to do all kinds of glow lamps before I get
a real torch, a real colon display would be nice.
Next, I will experiment with the aluminum oxide insulator. Sadly, it is
quite brittle, so if you shake the tube too hard it will break loose.
But I could use this insulator to prevent parts of wires to glow.
But I doubt that air is going to get any brighter, Argon would probably
yield much better results.
Jens
Nice work Jens!
Would be a good combination, nixie tube clock with glow lamp colons or
something like that. It doesn't seem as bright as neon but that is
probably because it is a prototype.
Michel
On Sep 27, 7:10 am, jb-electronics <webmas...@jb-electronics.de>
wrote:
Hi folks,
finally I got my first glow lamp working. It is the third try, therefore
I call it "GL-LS-3", short for glow lamp lab sample 3. See two pictures
here:
http://www.jb-electronics.de/tmp/gl-ls-3_1.jpghttp://www.jb-electronics.de/tmp/gl-ls-3_2.jpg
It consists of 9mm soda lime tubing and Dumet wire. The gas filling is
normal air at 9mbar. It ignites nicely at roughly 550V DC.
I used a simple propane torch for the glass work. Will switch to a
hand-held oxygen-propane torch in a few months though (when I have
enough time and money).
I will get my needle valve in two weeks or so, then I will be able to do
something with neon. Believe it or not: over two months lead time for a
silly needle valve... Anyway, I hope I will have the tube making content
prepared for my website by then. It is piling up, but there is still
much to do.
Best regards
Jens
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