Re: Why aren't air cabins pressurised to 1 atmosphere?

Date:         26 Apr 98 03:44:21 
From:         gfoley@freenet.columbus.oh.us (Gerard Foley)
Organization: The Greater Columbus FreeNet
References:   1
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Olly Morgan (O.Morgan@ed.ac.uk-z) wrote:
: I've a vague recollection of reading that aircraft cabins are
: pressurised to 0.5 atmosphere.  Err, why is this?

: Presumably it would be simple enough to hold it at 1 atmosphere in which
: case all this ear ache stuff at takeoff/landing would be eliminated?

<snip>

As kls says, weight.  The pressurization now is not keep people from
having earaches, but to allow flight above 12,000 feet without everyone
passing out or dying from lack of oxygen..
--
Gerry