flicker-flame lamps

[Adrian Godwin]

https://www.youtube.com/watch?v=nyYjnV99wfM

Anyone able to answer how these lamps work and why they're so unstable ? The answer by 'Butanik' sounds plausible but IANAP (I am not a physicist). 

-adrian

[Jasper nagle]

my guess is some sort of oxide layer put during the manufacturing process 

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[theold...@gmail.com]

I was told (as the guy in the video also discusses) it is the same effect as what is called a “Jacob’s Ladder”, the effect introduced by local gas pressure changes due to the heat produces by the arc. The flicker lamp is designed to let it happen, rather than preventing it.

 

Bill v

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[Dan Schnur]

A small amount of ammonia is added to these bulbs for keeping the arc from covering the entire anode and cathode. The arc is smaller than the anode or cathode so it tends to jump all over the surfaces making the flicker you see.

[martin martin]

https://www.ebay.com/itm/334630632588?hash=item4de98a3c8c:g:WpoAAOSw3yxjdSsv

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mcve...@gmail.com

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