Quote:
Originally Posted by philip.ed
My question to you is, could SoW model this feature? It wouldn't be pretty, but it would be extremely realistic.
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Probably no.
However.... even the simplest russian oxigen mask of 1930th had two valves - in and out. On the oxigen balloon was the simple reduction of pressure (same as we may see on the British balloon). That is enough when you are not using it - oxigen isn't going.... hovewer possible oxigen seepage in case of bad valves and for this of course is the close cock on the balloon.