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Old 08-09-2009, 05:53 PM   #35
Marmot
Senior Member
 
Join Date: May 2007
Location: Fort Lauderdale
Posts: 796
Quote:
Originally Posted by sbmar
I think I may have not explained the point I was making properly... Yes, you still have 1/2" PSI (like I said) but 1/2" PSI acting on the the 500 sq inch surface area of the tank walls (or a piston if that makes it easier to understand what I was referring to) can lift 250 lbs, and on those 500 Sq inch walls, you have 250 Lbs of force spread out evenly try to push the wall out...

No, you have 1/2 pound per square inch spread out evenly. It's a tank, it has 1/2 psi on its surface and that won't change if that surface is round, square, 1 square inch or 1 square mile.

What you are saying is no different than stating that since atmospheric pressure is 14.7 psia there is almost 34 tons pushing down on a 4X8 sheet of plywood ... it sounds all techie and exciting but really means nothing.

The crap headed for the sky because it was accelerated by tank pressure through the nozzle formed by the pumpout connection.

I don't understand why it keeps flowing here.

Quote:
Yes, you guys take no prisoners..

Not when they keep charging the trenches, even if they are shooting blanks.
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