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Re: "Cheap" vacuum


 

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On 6/6/2011 5:44 PM, Simon Quellen Field wrote:
Fill the box with steam, and then freeze it?
Theory says that should get you to 6 millibars (0.6 kilopascals).

Brian -- If he has a 5 liter box at a 1,013.25 millibars, and he wants to
get to 10 millibars, wouldn't he need to attach a completely empty 511.625
liter vacuum chamber to it in order to get both the box and the vacuum
chamber to equalize at 10 millibars?


Though the suggestion was offered in jest, I suppose I need to answer "No" to your
estimate: connecting one big vacuum container, is rather different from connecting
numerous smaller bottles in turn.
Isn't it?

Brian W

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