Re: "crackle"

Date:         16 Sep 99 16:42:28 
From:         Trevor Fenn <convair@I.Don'!.net>
References:   1
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ebarber wrote:
> I am interested in a so called phenomenom called "crackle".  It was
> proposed some 25 years ago by a gentleman named Ffowcs-Williams, that at
> jet take off and periodically during flight that the engines would make a
> "crackling" sound.  He stated that this sound was analogous to water
> hitting hot oil.

Sounds to me like the wonderful sound a 727 makes on a cold crisp morning.

Trevor Fenn