Sam,
10 atmospheres is 146.9 PSI. I could actually see this on some large power
tubes. Especially tubes with fin cooling as the fins act as stiffners. Since
the area that would be under pressure isn't very large, probably as tall as it
is wide inside the anode, it would most likely hold it ok. One would be
suprised how much pressure things (according to the material) can hold. That's
my guess on it, but I will find it and post the results tomorrow.
Best,
Will
*********** REPLY SEPARATOR ***********
On 7/28/06 at 10:25 PM S. J. Blackwell wrote:
>"I had read earlier that a vacuum could be pulled up to 10 atmospheres.
>That's
>not
>saying they do that on the tube, just that they can do it."
>
>
>Will,
> Could you refer me to to place where you read of a vacuum of 10 atm. I
>do not believe this exists, ie there is no such thing.
>73,
>Sam, W5LU
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