Quote:
Originally Posted by John_1102
Umm Yeah the principle of compressing water has to happen other wise when you put your finger over the end of a hose nothing would happen. Water is compressable. 1000psi water jets are used to cut steel.....so again logic isn't following here. It's compressable to a very very small degree.
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Just to clear things up- The water in your hose wants to leave the hose at a constant
rate. For example, lets say 5 gallons a minute. Now, if you have a one inch diameter opening at one end of your hose, the water will come out relatively gently. If you shrink that opening (such as with your thumb), the water still wants to exit the hose at 5g/min, but because the opening is now smaller, it must exit
faster, and thus with more force.
On a side note, our team operates our tshirt cannon off a 5-gal tank designed for air pressure (craftsman tank, I believe). It works fantastically well. PVC can not only fail in the piping itself, but it is also highly susceptible to end caps and joints failing.