Re: AA 777-200IGW

Date:         06 Apr 99 11:46:19 
From:         Bob Mann <rwmannco@interport.net>
Organization: R.W. Mann & Company, Inc.
References:   1 2 3 4 5 6 7 8
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Tarver Engineering wrote:
> >Hugh Dickson wrote:
> >> Aloha,   The 777 tail cone was called a "boat tail" and
> >> was supposed to add to lateral stability.    Hugh
>
> Tom Turton wrote in message ...
> >  Are you sure about this?  When McDonnell Douglas changed the tail cone
> >on the MD-80 aircraft from conical to boattail, I thought I heard it was
> >because of reduced drag.
>
> Bandwidth starvation, same as Hugh says.  The DC-9 was a noisy airplane
> before the change; sitting in the back was miserable.

Actually, as I recall, the MD-8X tail (tale?) was termed a "beaver
tail", and was an area rule fix, to reduce drag and meet guaranteed fuel
burn and performance.

- Bob Mann

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