Re: Oxygen

Date:         18 Jun 99 01:39:47 
From:         luisma@spainmail.com
Organization: Deja.com - Share what you know. Learn what you don't.
References:   1 2
Next article
View raw article
  or MIME structure

Don Stauffer <stauffer@gte.net> wrote:
> timma wrote:
> > Can anyone tell me how we survive breathing oxygen above 12K in
> > aircraft without oxygen masks??

> The cabins are pressurized.

Ok

>  An air compressor compresses the air until it
> has the same pressure as about 8000 ft altitude.

I am afraid no. In transport pressurized aircrafts, the air is taken
("bleed") from the engine axial compressor, thus causing a decrease in
the engine thrust.

Only in small, piston-engine-powered aircarfts, the pressurisation air
is taken from specific compressors.

--== Sent via Deja.com http://www.deja.com/ ==--
---Share what you know. Learn what you don't.---