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gan1hck · 25 January 2008, 09:34 PM

doesn';t have to be helium ...it'll open for any gas aslong as there is a pressure differential...like HIGH altitude situations...or the vacuum of space...

but at what pressure differential is my question.

25 January 2008, 09:34 PM	#12
gan1hck "TRF" Member Join Date: Nov 2007 Location: alabama Posts: 67	doesn';t have to be helium ...it'll open for any gas aslong as there is a pressure differential...like HIGH altitude situations...or the vacuum of space... but at what pressure differential is my question.