[–] bediger4000 13y ago ↗ How do you draw a vacuum over that much volume? How much effort is required to keep a vacuum over that much volume?Do you have to inspect every single joint (which I assume would be welded) for air-tightness?How do you keep the tubular structure from buckling? Do you have buckle-arrestors every so often along the length?
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[ 3.9 ms ] story [ 10.7 ms ] threadDo you have to inspect every single joint (which I assume would be welded) for air-tightness?
How do you keep the tubular structure from buckling? Do you have buckle-arrestors every so often along the length?