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

Date:         26 Apr 98 03:44:21 
From: (Gerard Foley)
Organization: The Greater Columbus FreeNet
References:   1
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Olly Morgan ( 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?


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..