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MD-82 Tail Sections?  
User currently offlineOlympic A-340 From United States of America, joined Apr 2000, 780 posts, RR: 9
Posted (15 years 6 months 1 hour ago) and read 1342 times:

First look at these two MD-82 tail sections...

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Click here for full size photo!

Photo © Bill Hough

Click for large version
Click here for full size photo!

Photo © Chris Sheldon

Why is it that the 1st tail section is rounded...
and the 2nd tail section is flattened?

Olympic A-340

3 replies: All unread, jump to last
User currently offlinePrebennorholm From Denmark, joined Mar 2000, 7142 posts, RR: 53
Reply 1, posted (15 years 6 months ago) and read 1320 times:

The "fish tail" was introduced at some time during the production of MD-81/-82/-83 - I think in the mid 80'es. It is said to reduce drag slightly.
I think that it is no more than a glassfibre cone which covers the tail structures. So it is really a very minor modification to change its shape a little.
Best regards, Preben Norholm

Always keep your number of landings equal to your number of take-offs
User currently offlineSpacepope From Vatican City, joined Dec 1999, 3392 posts, RR: 1
Reply 2, posted (15 years 6 months ago) and read 1311 times:

Also known as the "screwdriver tail", this mod was introduced with the production of the MD-87 and applied to all models after that date. This design improved fuel burn by 1-2%, but not enough to warrant retrofitting it to older MD-80's with the DC-9 style tailcone.


my 100th post

The last of the famous international playboys
User currently offlineMd80forum From Finland, joined May 1999, 157 posts, RR: 1
Reply 3, posted (15 years 5 months 3 weeks 5 days 3 hours ago) and read 1279 times:

Spacepope, the "screwdriver tail" has been retrofitted to a great number of all older MD80 models. It is just that certain airlines that have chosen not to invest in modifications like this, like they have not invested in updating flight decks from the MD80's original DC9-style steam gauge design. One of the conservative MD80 airlines in this respect is Continental Airlines.

Jan-Erik Andelin
MD80 International Forum

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