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when you buy ideal air it's 139 cft; with natural air it's according vdWaals about 130 cft. regards Frank >-- Oorspronkelijk bericht -- >From: anthony.appleyard@um*.ac*.uk* >To: techdiver@aquanaut.com >Date: Thu, 20 Feb 2003 11:08:02 -0000 >Subject: how do I measure the capacity of a cylinder? > > >I came across a picture of a scuba set. Its cylinder could be >measured at 7.7 inches diameter, 28 inches long including the boot >but not the pillar valve. Its bottom end extended below the diver's >buttocks when he stood on land. If both ends of its inside are >hemispherical, if its walls are 0.35 inches thick, that works out at >0.556 cubic feet internal volume, which pressurized to 250 bars >makes 139 cubic feet = 5.15 cubic yards of air in it. >- Is that the correct way to work out the official listed capacity of a >cylinder? If now, what is the correct way? >- Are cylinders that big used much? What is its listed capacity? >- Are cylinders that big ever worn twinned? > >-- >Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. >Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'. -- Send mail for the `techdiver' mailing list to `techdiver@aquanaut.com'. Send subscribe/unsubscribe requests to `techdiver-request@aquanaut.com'.
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