From: firstname.lastname@example.org (SteveL3081) Organization: America Online, Inc. (1-800-827-6364) Date: 14 Aug 95 03:43:29 References: 1 Followups: 1
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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.