General > General Technical Chat
Oscilloscope CRT implosion
adriansmith31:
I smashed an oscilloscope CRT to see how much of a bang it went with. Very stupid I know but I did bag it up to avoid glass going everywhere.
Demonstrates how dangerous these are if handled incorrectly. Glass very thin and no implosion protection. It was gone in 3 frames so camera didn't quite capture the full boom.
Long version https://youtu.be/_sL1OY1ONiU
Short version https://twitter.com/adriansmith31/status/1766966799898198085?t=eVceijRWaMCEeEk3h-fx9Q&s=19
coppice:
Scope tubes aren't big enough to be all that exciting when broken. TV tubes are a lot more spectacular, but you need some serious protection to restrain those corners.
adriansmith31:
Yeah, I dare not smash a TV tube in my kitchen lol.
coppice:
--- Quote from: adriansmith31 on March 11, 2024, 06:02:04 pm ---Yeah, I dare not smash a TV tube in my kitchen lol.
--- End quote ---
Absolutely don't. Once they introduced bonded screens they became very hard to break, unless you break the neck, which isn't very spectacular. However, if you take the strap off, and hit them the right way they can be explosive in a way that will embed chunks of glass deep in the walls. Not a good place to be standing.
AndyBeez:
And try not to breath the cloud of dust released from the phosphor screen whilst you're breaking those CRTs. The lead Pb rich CRT glass is classed as a hazardous material, so the busted bits should not really go into the domestic waste bin.
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