Re: identifying engines by sound

From:         stevel3081@aol.com (SteveL3081)
Organization: America Online, Inc. (1-800-827-6364)
Date:         14 Aug 95 03:43:29 
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This is true, different engines make different sounds.  It is easy to
distinguish the sound of a jet fighter from a DC-9 from a C-141.  The most
distinctive jet has to be the C5 Galaxy,  it makes a very distinct
chain-saw like sound.  I think that the sound of an engine has a lot to
do with the by-pass ratio and wether the hot air is mixed with the cold
air ahead or behind the nozzle.