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Graeme Davison sez: > Here in Europe we don't work in Cubic feet but work in water capacities and > pressure(ie how much fluid the cylinder could take (defined as Water capacity) > and therfore what is its exact volume) - what this allows us to do is to simply > look at a contents gauge (in bars) and calculate real easy how many cubic > liters of gas we have at any point in the dive -- and also to simply convert to time left! I have tried to find pressure guages calibrated in Bar here in the States, but to no avail -- and I was even told that Europe also used PSI for scuba contents use. Bar is a much more logical choice for a contents guage, but given the crazy looks I get sometimes, I wonder if other people realize this. With a guage calibrated in Bar, conversion from guage reading to time reamining is easily done in your head, with no look-up tables, etc -- just one simple constant to remember. -frank -- fhd@in*.ne* | [M]athematics is not the study of intangible Platonic 1 212 559 5534 | worlds, but of tangible formal systems which have arisen 1 917 992 2248 | from real human activities. 1 718 746 7061 | -- Saunders MacLane
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