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MD-82 Tail Sections?  
User currently offlineOlympic A-340 From United States of America, joined Apr 2000, 780 posts, RR: 10
Posted (13 years 4 months 2 weeks 4 days 5 hours ago) and read 1000 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?

Arrivederci
Olympic A-340

3 replies: All unread, jump to last
 
User currently offlinePrebennorholm From Denmark, joined Mar 2000, 6291 posts, RR: 54
Reply 1, posted (13 years 4 months 2 weeks 4 days 5 hours ago) and read 978 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, Preben Norholm
User currently offlineSpacepope From Vatican City, joined Dec 1999, 2864 posts, RR: 1
Reply 2, posted (13 years 4 months 2 weeks 4 days 5 hours ago) and read 969 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.

T.J.

my 100th post



The last of the famous international playboys
User currently offlineMd80forum From Finland, joined May 1999, 157 posts, RR: 2
Reply 3, posted (13 years 4 months 2 weeks 8 hours ago) and read 937 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
http://surf.to/md80


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