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Plexiglass vacuum chamber
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Yeah, I got one, too (in one of the picture above). It's definitely easy to clean. I just don't like the shape because the square pieces of wood don't fit neatly down in there, so I can only stabilize two pieces at a time. And I'd rather it be taller so when those bubbles rise really fast in the beginning, I don't have to worry so much about them going up in the valves and pump. But it does hold a vacuum well!
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The whole idea of a vacuum is to pump the air out of the wood so it can collapse the cell structure to a point of maximum absorption point. I say put a good gauge on it and run the pump constant. FWIW there are those that will tell you that you need a 5 cfm pump and that a 2 stage pump will pull a deeper vacuum. I say bull... 30 inches of vacuum is 30 inches of vacuum no matter what pump you use.
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I think you are looking at it from a different angle that may not be correct sam. A constant running pump would be exactly the same thing as a container with a perfect seal. I think you are seeing it as a running pump will be pulling in air from the outside of the container if there is a leak. While this could be possible, the pressure should not change.Last edited by LeanMachine; 07-21-2014, 12:21 PM.
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Originally posted by LeanMachine View PostI think you are looking at it from a different angle that may not be correct sam. A constant running pump would be exactly the same thing as a container with a perfect seal. I think you are seeing it as a running pump will be pulling in air from the outside of the container if there is a leak. While this could be possible, the pressure should not change.
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Originally posted by rubydog View PostA static closed container is just that. Nothing is removed and nothing is added because it is sealed. A container that is constantly being pumped down removes any air from the material inside the chamber and displaces it through the pump and the oil in the pump hence the reason the pump oil gets contaminated
Much always right with anything that involves wood! Run your pump the whole time. (Spellcheck tried to auto correct to say "run your pimp"). Haaaaa
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