CRT implosions

[Joe R.]

At 09:30 PM 10/5/05 +0100, you wrote:
>> I've stored monitors outside in the baking sun during summer for extended
>> periods of time.  I've had the CRT heat up so much that it quite literally
>> burned you if you touched the surface.  However, none ever spontaneously
>> imploded.  My guess is that you'd have to have enough heat that the glass
>> began to melt before it imploded, and even then it wouldn't implode but a
>> gapwould open and the tube would re-atmospherize.
>
>It's uneven heating -- geting one part of the glass hot while the rest 
>remains cold -- that sets up thermal stresses in the stuff. Splashing 
>wanter on a hot filament lamp will often cause it to break, not because 
>it would break if cooled evenly to the water temperature (after all, it 
>cools to room temperature when it's switched off) but because you cool 
>some parts of the glass and not others.
>
>> 
>> Still, if I were to do what Jules did, in the very least I'd wear safety
>> goggles and some leather gloves.
>
>At least one service manual I have suggests wearing a leather apron to 
>proctect 'those other important bits' :-)

   LOL!  Did it actually say that? :-) I've never seen a manual that got
that direct.

    Joe
>
>-tony
>