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Old 11-22-2012, 11:54 PM   #10 (permalink)
y0da900
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Join Date: Oct 2007
Location: Plattsburgh, NY

Fractionally comparing one tank size to another is fine. If you have shots per tank from a 50 cubic inch, you could expect 68/50 of those shots from a 68 cubic incher provided it is the same pressure.
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