Thread: Compressor pump-up time (BobH)
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Richard J Kinch Richard J Kinch is offline
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Default Compressor pump-up time (BobH)
Jon Danniken writes:

How much pressure does an open tank hold, if you say atmospheric
pressure is zero?

Zero, of course;

No, it still holds 1 atm. Saying it is zero doesn't make it so.
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