K, for Imperialists, 7.43 gallons per cubic foot times 8.33#/gallon = ~62.42796 pounds per cubic ft. Divide that by 144 square inches to get about 0.4335275 pounds per square inch at 12" depth. Seems like much ado about nothing, nobody's going to stack water 100' high to get 40psi to compress pc blocks : )
However, you could use a confined bladder and pressurize the water right out of your faucet most places. Bob's on the right track, just needs a little refining. Keep thinking, Bob. Maybe a hydraulic cylinder pressurized from your water hose?
http://www.nurl.us/6zq
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29. How much does one gallon of water weigh?
8.34 pounds
30. What is the weight of water in one cubic foot?
62.4 pounds
Spaceman
slurryguy wrote:
__._,_.___Uhhhhhhh I am Googling and I can't find anything that says water is that pure water is that heavy while on planet earth. (I didn't look up deuterium or tritium.) I am getting a lot of conflicting answers and many bizzare websites though. If all else fails, use metric anyway! The National Institute of Standards and Technology lists a pint as 28.875 cubic inches. Documented here: http://ts.nist.gov/WeightsAndMeasures/Publications/appxc.cfm 28.875 in3 converts to 473.176473 cubic centimeters or 0.473176473 cubic decimeters. (Using NIST conversion tables) One cubic decimeter of water = 1 liter of water = 1 kg of water. therefore 28.875 cubic inches of water = 0.473176473 kg 0.473176473 kg converts to 1.04317556 pounds. (In your ear archaic measurement system! I bypass you altogether!) So (gasp! horror of horrors!) Wikipedia of all sources had it closest this time! Are you as shocked as I am? The Brits? For all I know they use Pascals, or inches of mercury to measure pressure! I don't live there. They can do their own conversions. LOL. I'm talking inches someone on the list might find on a tape measure! Sooooooooooooo. Recalculating 1 psi = 27.679 inches depth in water. Wheeeeew finally! Who has a headache? Asprin and Tylenol for the house! (somewhere in all this I forget what it had to do with papercrete) -------------------------- spaceman wrote: Your approximation of my approximation is approximately right. A gallon of water actually weighs in the range of 8.33 pounds, approximately : P In the UK it is about 20% heavier. Google it for yourself. Spaceman slurryguy wrote: WARNING! Geek talk follows: Read at your own risk! The old timey axiom is: "A pint is a pound the world around." One pint of water weighs exactly one pound. So, Bob has it exactly right. There are 8 pints in a gallon, so a gallon OF WATER weighs exactly 8 pounds. NOT! Yahoo! Groups Links <*> To visit your group on the web, go to: http://groups.yahoo.com/group/papercreters/ <*> Your email settings: Individual Email | Traditional <*> To change settings online go to: http://groups.yahoo.com/group/papercreters/join (Yahoo! ID required) <*> To change settings via email: mailto:papercreters-digest@yahoogroups.com mailto:papercreters-fullfeatured@yahoogroups.com <*> To unsubscribe from this group, send an email to: papercreters-unsubscribe@yahoogroups.com <*> Your use of Yahoo! Groups is subject to: http://docs.yahoo.com/info/terms/
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