"RST Engineering"  wrote in
news:13p4eknjfgtou90{at}news.supernews.com: 

> If I'm not mistaken, and it has been forty some years since I've bent
> a wrench on the torch so I may well be, the pressurization comes from
> the compressor section and not the turbine section.  In particular, my
> manual for the JT8D says it comes from the 13th stage compressor.  It
> would be WAY the hell too hot to come from the turbine section.  It is
> hot enough coming off the compressor to require an intercooler before
> using it for pressurization.
> 

Yeah, sorry, slip of the tongue.Yes, the compresser wsection. Air coming 
from the turbine would be marginally worse! 

Bertie
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