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[Pooh_Bear]

I have led you to the fountain and told you what to do, If you do not drink the water than I can not help you any further

And that is exactly what I plan to do.
Soon as I get a chance, I plan to clean the tanks up,
give em a good coat of paint, then call AirGas.
Got an AirGas place right over in Chattanooga just across the mountain from me.
They probably do deliveries over here all the time.
I'll just phone in an order and have them swap out my tanks.

But first I wanna make these tanks a little more presentable.

Thanks.

Pooh Bear

 

[Timber]

LOL there you go. Most drivers a great to deal with

 

[Timber]

Timber, I don't know what panet you are on but I have a lot more O2 in my air than you claim and less nitrogen.

Pat

LOL well that is a fact. The atmosphere is 95 percent Nitrogen. You have to remember the air at the surface is not the same as you go higher. Remember you can not breath at High altitude because of lack of O2

 

[patrick_g]

Timber, You can lead a horse to water but if it drinks that is another matter. You can hold its head under till it drowns but it might not drink.

Pat

 

[GaryE]

Breath deep!

Air Composition

 

[jc7622]

This talk of "leading a horse to water" reminds me of a story.

I once told a city boy friend of mine, who happened to be visiting me, that not only could you lead a horse to water but you could also make him drink.

We led my horse out to the pond. I told my friend that the way to force a horse to drink was for me to push his mouth down to the water and for my friend to go around to the back end and suck.

I assumed he would get back there and then realize he was the butt (pun) of a practical joke, but instead what he said was, "Pull his head up a little, all I'm getting back here is mud".

 

[patrick_g]

Timber, Looks Like Gary E is another disbeliever! Timber me lad there is less of everything at higher altitudes. The reason there is less O2 at altitude is because there is less air not because the composition (ratios of components) changes much, at least at altitudes that will sustain human life. At the very fringes of space the composition is not important to most of us because we aren't breathing there unaided and air reduction places don't get their feedstock there to fill our various needs for individual atmospheric gasses.

Patrick

 

[Timber]

Timber, Looks Like Gary E is another disbeliever! Timber me lad there is less of everything at higher altitudes. The reason there is less O2 at altitude is because there is less air not because the composition (ratios of components) changes much, at least at altitudes that will sustain human life. At the very fringes of space the composition is not important to most of us because we aren't breathing there unaided and air reduction places don't get their feedstock there to fill our various needs for individual atmospheric gasses.

Patrick

No that is probably on the mark. That is composition at sea level. You can believe it or not. I worked for these companies that extract these gasses. I also worked at MIT for these companies. Facts are facts it like debating a math problem. By the way if you want to see and Extraction tower there is 1 in Maine on the state line coming out of Portsmouth NH. BOC has a facility there. You can’t miss it. There is a Liquid Nitrogen tank with a big Lobster painted on it and behind that is the extraction tower. It looks like a giant radiator about 7 stories high. Oxygen weighs a lot more than Nitrogen it even weighs more than Argon. In fact liquid Oxygen Dewar’s weigh 1200 pounds and the same Dewar with Liquid Nitrogen weighs 750 pounds. Argon is about 1000 pounds. Heaver gas is closer to sea level than lighter gas. The composition of Gas at sea level is not going to be the same as the composition of gas in the entire atmosphere because gravity is going to keep the heaver gas at sea level

 

[GaryE]

Let me quote Universal Industrial Gasses, Inc:

The Earth's atmosphere has a number of layers. The lowest, the Troposphere is the source of the air we breathe and use for industrial processes. It has similar composition at all levels, but pressure, temperature and density decrease with altitude. The Troposphere extends to a height of about 6 kilometers (4 miles) at the poles and to 11 kilometers (36,000 feet or 7 miles) near the equator. Air temperature decreases, on average, about 3.56˚F for every 1000 feet, or 6.5˚C for each 1000 meters of elevation. Atmospheric pressure drops about 0.5 psia for each 1000 feet of elevation, or about 1.1 kPa for each 100 meters. Density decreases rapidly with altitude, as density is proportional to the product of pressure and temperature.



Universal Industrial Gases, Inc...Composition of Air - Components & Properties of Air


You can find numerous sources by doing a Google search with (air composition altitude).

 

[Timber]

Yea we had to study all this crap. Film after film. Watch a film take a test Then every week and every month more films and tests. LOL. It didn't matter if you were a loader or driver or you filled tanks. everyone had to learn