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>How about a conversion chart for US/RestOfWorld Tanks sizes and
>pressures? I'm from the UK where we have metric sizes, eg. 12.2 litres,
>232 bar and currently, I'm in the US and an getting confused with tanks
>sizes. Whats a 80 cu.ft. tank in real numbers, and how can an 80
>cu.ft.  tank be "pressurised" to 100 feet ??

Lets say we have a 10l 232 bar cylinder. Very common in the UK although
rufty-tufties tend to use them in pairs. That's 2320 litres of air,
according to the unix `units' program that is 81.9 cubic feet.

The US AL80s you usually see are 3000psi (very roughly 204 bar), so a
useful rule of thumb is that they hold about as much air as a 232-10 (but
are physically bigger.)

Doing the same calculation your 232 bar 15 l holds approx 120 cu ft.

If you get an 80 cu.ft pressurised to 1500 psi, you have only 40 cu.ft
of air.

Regards

Pete

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