REFLECTOR: Innodyn Engine

michalk michalk at awpi.com
Thu Apr 6 10:02:54 CDT 2006


Richard Riley wrote:
> 
> The GE-90 on the Boeing 777 runs at 45:1.  The air goes through a 4 
> stage low speed axial compressor and a 9 stage high speed axial 
> compressor.  It runs a BSFC of .306, about as good as a very large (ship 
> size) diesel.  Before the air is mixed with fuel it's at 661 PSI, and is 
> very hot.  After combustion the gas is cooled down with dilution air to 
> 2700F, before it gets to the high pressure turbine.   Of course, it 
> 78,000 horsepower.
> 

Wow.  I stand corrected.  I had no idea they were capable of these 
pressures.  That's absolutely amazing.

That would make one hell of an air conditioner.


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