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-   -   Engine Flat Rating (https://www.pprune.org/tech-log/234062-engine-flat-rating.html)

Young_Turk 10th July 2006 14:11

Engine Flat Rating
 
Hi folks,
just wanted a brainstorming session on FLAT RATING of engines and wat it means to the average airline pilot. My CFM56s on the 737s are flat rated to ISA +15.... wat i get from this is that at sea level at 30 degrees the max engine thrust would be obtained....

the question is WHY isa+15 and how does varying the temperature for flat rating change things on an engine....

your thaughts will be greatly appreciated....
thanx

Permafrost_ATPL 10th July 2006 15:49

Just been discussed here

http://www.pprune.org/forums/showthread.php?t=233223


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