Here's another option, obviously not cheap or useful in a cave, but for the ocean it looks like it would work well.
http://www.oceanreefgroup.com/usa.htm
Fullface w/drink on demand pouch.
Looks kinda cool.
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Here's another option, obviously not cheap or useful in a cave, but for the ocean it looks like it would work well.
http://www.oceanreefgroup.com/usa.htm
Fullface w/drink on demand pouch.
Looks kinda cool.
Get your fills from someone who uses a Rix.
Yes if you added water to the tank then the water would evaporate until it exerted its partial pressure as a gas up to its vapor presure.Quote:
Originally Posted by Sludge
I don't think it is accurate to say that reducing pressure will make the water evaporate faster, I mean if you pulled a vacuum on a cylinder of water then when you reached the vapor pressure it would begin to boil but whether you have HP or LP the water is going to equalize with its vapor pressure.
I'd think in a cylinder with enough water you would reach 100% RH
Look at it from the other extreme. You have a glass chamber and you have magnet holding a metal and glass beaker filled with water. You pull an almost perfect vacuum in the main chamber and then pull the magnet away and let the beaker fall and shatter inside the chamber and release the water. What is the pressure now in the chamber?
The water would have to be vaporized to get to you in the first place. The tank will tend to cool and I suspect keep most of the water condensed. I kind of doubt you would have enough reach your mouth to make a difference.
How about the nylon stocking mounted under the mouthpiece? Forrest, don't you use that? Can you tell any difference as far as it retaining a little moisture? Also handy to keep assorted crap out of your 2nd stage.
There is plenty of moisture in the air down here. Just bypass your filters on the compressor and let 'er rip. Guarantee you will get water/moist air in your tanks. :)
Distilled water has all the buffering minerals removed from it, and is therefore very corrosive! But -- if you leave the minerals in (tap water) you are likely to get mineral deposits on all the restriction points.Quote:
Originally Posted by Sludge
Water inside mechanical components is not a good answer!
WJH
"WATER WOULD HAVE TO BE VAPORIZED" Makes no sense. On a molecular level liquid water will always chunk molecules off the surface, You will reach an equilibrium when the number of molecules that are leaving equal the same number of molecules that are slamming back into the surface and hydrogen bonding back with other water to form a liquid.Quote:
Originally Posted by Webmaster
In a closed enviroment like a SCUBA cylinder Temp is going to make no difference in RH. if you have liquid water after equilibrium then you are going to have 100% RH!
Sludge has said he just wants to look at it chemically and is that context he is right. Oh I think he said scientifically.
It is in that context that I respond. Sometimes you got to look at things outside the box. He obviously doesnt understand that Pointing shotguns at people is ILLEGAL, but if he wants to talk about water.... then lets talk about it!
It should be funny to people that water is 18g/mole and butane is 54g/mole but water boils at 212@STP but butane boils @ 32@STP, Exact opposite of what you would expect. WHY?
They used to sell a Sherwood "Oasis" regulator and also some other group made a gold foil grid that sat in your mouthpiece. Both condensed your exhaled moisture in the mouthpiece and effectively collected your gross vaporous drool to moisturize the air on your next inhale. Underwater drink packs and even regulators with liquid straws input into them have been used.Quote:
Originally Posted by Sludge
Thought for the day, since asked. Swallow now and then! I do a lot of long dives and have found that the simple act of swallowing as apposed to blowing out my spit seems to be all the lube I need. I was however VERY entertained by one support diver who when he forgot his swim suit served me juice on a deco dive buck naked! Sometimes I just flat love ya guys! Cindy :D
Well if I was bringing you drinks you would have to be the one that was Butt Naked LOL :DQuote:
Originally Posted by Cindy