Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP Posting-Version: version B 2.10.2 9/18/84; site ames.UUCP Path: utzoo!watmath!clyde!bonnie!akgua!sdcsvax!sdcrdcf!hplabs!nsc!ames!al From: al@ames.UUCP (Al Globus) Newsgroups: net.space Subject: Re: Orphaned Response Message-ID: <711@ames.UUCP> Date: Tue, 18-Dec-84 21:42:48 EST Article-I.D.: ames.711 Posted: Tue Dec 18 21:42:48 1984 Date-Received: Sat, 22-Dec-84 00:48:31 EST References: <-465400@utzoo.UUCP> <73300002@hpfclq.UUCP> Organization: NASA-Ames Research Center, Mtn. View, CA Lines: 15 > Last I heard (late 1979), the internal pressure on the Shuttle was > ~10 psi to keep mass requirements down without sacrificing comfort. > Those that I worked with (at the time) said that the pressure was going > to be roughly equivalent to an altitude of 6500 ft. Was that misinformation? > > al "the memory goes first" stone > hpfcla!al > > me write this.> Shuttle is kept at 14.7 psi (normal sea level pressure) most of the time. On at least some space walks, pressure is reduced to shorten pre-breathing requirements for space walkers. I think it's reduced to about 10 psi, but I'm not sure.