Re: Cabin Depressurization

Date:         10 Feb 2000 05:03:37 
From:         luisma@spainmail.com
Organization: Deja.com - Before you buy.
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"Hugo 'NOx' Tyson" <hmt@cygnus.co.ukx> wrote:

> So at a typical cruise of 11km (36,300ft) you get 0.250 Bar ambient,
> so you need about 80 %O2 or better to stay conscious.
> Your statement would be OK if it said "above 50,000 feet" where even
> 100% O2 at ambient isn't enough.

Agree. To be exact, the crew masks, when used in "O2 mixed to air" mode
do control the mixing percentage. Above 34000 ft, even if used in this
mode, they supply pure Oxygen to the crew.

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