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Building a vacuum kiln

  1. Mar 18, 2015 #1
    Trying to build a vacuum kiln using an old shipping container.
    Internal dimensions. 19'3"x7'7"x7'9". The space inside will be about half full trying to figure out how big of a vacuum pump I need. About 565 cubic feet.
  2. jcsd
  3. Mar 18, 2015 #2

    Quantum Defect

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    I cannot imagine this actually working.

    It seems like if you actually managed to get any kind of vacuum, the container would collapse upon itself. Atmospheric pressure is something we usually get to ignore. Imagine the mass/weight of a ca 1 m layer of Hg resting on top of your shipping container, similar to the same amount of lead! All of the sheets are riveted together, which will be one massive leak.

    Why not start smaller?
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