Recent content by Guilty Spark

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    Mixing different pressures of air using valves

    Of course... but I need more than one pressure at a time in a different place, there's just no way with one regulator. Besides topping up air tanks for each pressure maybe.. Also those things cost hundreds! For a decent one that could handle constant adjustment// Plus I'd be worried it'd...
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    Mixing different pressures of air using valves

    That's ok, I was completely confusing myself with mixing and all that.. much simpler now. Well sort of.. They do make small "air capacitors" kind of like a very small air tank to smooth out the flow.. maybe that's one way to get a lock on a desired value? Here is why I can't just keep...
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    Mixing different pressures of air using valves

    You mean high to low for the airflow right? I will assume that was backwards, or else we are rich! :) Indeed, when both of them are on the situation prevents the 40 from doing anything.. but when the 60 is shut off then what? That's when the pressure drops 59..58...51... 48! Then blam! We...
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    Mixing different pressures of air using valves

    It's ok, as long as it's some median value.. not really needing precision here. If I had a 4L container for example, how do I figure out the proportions of each? I recall the "ideal gas laws" but never seen a problem like that before... two different pressures of the same gas? I...
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    Mixing different pressures of air using valves

    Right. Picture being a 1000 words and all that/// This ka-jigger is an air gun: Basically an open valve to atmosphere..Re: sneak past --> I thought maybe the higher pressure (say 60 acting on 40) backwards through the regulator would cause it to "Bounce" or not close as fast as usual.. I...
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    Mixing different pressures of air using valves

    Well, that is useful then.. no backflow/ Just that I was worried as they aren't normally meant to regulate from both directions are they? It's normally pretty linear. Ok, so what about when the situation is as you say.. (40 and 60 open. All other valves closed) \\\>>Btw.. it's the...
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    Mixing different pressures of air using valves

    Ah! Ok.. gotcha. So they will equalize and not allow the lower values to open anymore..? Two thoughts I have: -Backflow. I am confused about backflow.. Would the higher pressure (say the 60psi on the 40psi one) allow the 100psi to sneak past? Maybe just until it hits 60? -And also...
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    Mixing different pressures of air using valves

    I think I know what you mean... having a hard time picturing it though. Looking at the regulator's guts, it seems to me that a lower PSI setting makes it more sensitive to pressure drops. What with the bigger space as you unscrew the adjuster? So isn't that backwards? Wouldn't the 40PSI...
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    Mixing different pressures of air using valves

    The black numbers? Those are the regulators in the first picture.. set to different PSI. I don't really want to close it off, as the whole point of this would be to use 3 regulators to get 6 different pressures or something.. know what I mean? Let's assume the output is going to an air...
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    Mixing different pressures of air using valves

    Hey guys! I've always been curious what would happen if I used air valves and regulators to mix different pressures of air together? For reference I spliced a few diagrams into one here: And I made a picture of the setup I'm imagining with some nice labels so we all know what...
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    Pressurized air in aluminum block help so it doesnt explode

    True, I see now why aircraft are constructed out of it.. very strong stuff if you use it the right way! One thing to note though is that it may be shifting from say 30 psi to 100 psi, rather suddenly if the device needs to use more force all of a sudden. That shift might cause a blast of...
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    Pressurized air in aluminum block help so it doesnt explode

    So to get a rough idea I will use the fact that the corners of the block are not my limiting point- the sides will fail before anything else does.. http://miutj.files.wordpress.com/2009/02/manual_recipientes_sometidos_presion.pdf Using that web info for pressure cylinders I plug some...
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    Pressurized air in aluminum block help so it doesnt explode

    But the needed material is a function of the pressure that it holds back correct? For example it will be more for 20,000psi, thicker will be needed for more pressure// I just need the value for thickness at 110psi but I'm not sure how to do it with the circular hole.. **Whoops that should say...
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    Pressurized air in aluminum block help so it doesnt explode

    Pressurized air in aluminum block.. help so it doesn't explode! Hey everybody! Need some help with a design I'm comming up with for myself- it's an air valve block. What I'm having trouble with is figuring out how close I can make the holes to each other? I don't have any computing...
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    Which type of actuator fits the job

    I have no musical talent lol, part of the reason for this project. Ill come up with something eventually.. just want to know which path to take so I don't waste time on the wrong one.
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