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On Mon, 19 Dec 1994, Dr. Neal Harman wrote: > 7l (logically enough). The extra weight is enough to dissuade me from using > 300bar tanks -- but a pair of the Heiser's would come in very handy -- > unfortunately, not obtainable without going to more effort than I can be > bothered with at the moment. What are the Swedish one's like? My experience is that the newest Poseidon 300 bar twin 4 liter tanks are considerably heavier than AGA/Interspiro tanks or old Poseidon tanks. My thery is that the AGA/Interspiro tanks are made for firebrigades where wieght is of outmost importance. These tanks are made of special high tensile steel and the cost is higher and the margin for corrosion is small. When the tanks are sold for water divning the problems are different. When diving in cold waters the weight of the tanks is of little imporance as long as you have to have several kilos of lead on your belt. So I don't beleve in carbon tanks for water diving as long as you have lead to drop. My understanding is that Interspiro is trying to use the carbon tanks for nitrox in the DCSC nitrox rebreather. Here the anti magnetic properties is of outmost importance. (Mine clearance diving) > Neal > /Sten Meyer m87stme@mt*.ch*.se*
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