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> Md-11 Engines
VSA380
post Oct 25 2006, 04:05 PM
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hello,
I've noticed that Finnairs Md-11 engine vary slightly from the shorter stubby cones : http://www.airliners.net/open.file/1113223/L/

to the long cones:
http://www.airliners.net/open.file/1119751/L/

to some that even have both :
http://www.airliners.net/open.file/1102812/L/
this one is esp wierd as it has engine no1 and 2 the same but 3 is different

they are both the same manufacturer but why the difference in size of the exhaust cone?

Dan icon_cool.gif
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klm_city_hopper
post Oct 25 2006, 05:46 PM
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There was a similar topic on the Tri-Star, whether it's the same kinda thing or not I'am not sure, but take a look.

QUOTE
The engines on the very early model Tristars had an even longer "hot section" fitted. It was shown through tests though, that they offered no performance gains, so a redesigned shorter "hot section" covering was installed, and early models were retrofitted with the samller and lighter units.


Quoted From Empress in this topic.
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VSA380
post Oct 28 2006, 12:35 PM
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QUOTE(klm_city_hopper @ Oct 25 2006, 10:46 PM) [snapback]106957[/snapback]
There was a similar topic on the Tri-Star, whether it's the same kinda thing or not I'am not sure, but take a look.



Quoted From Empress in this topic.


ah ok seens the same, cheers for the help Klm_city_hopper

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Fluffdoc
post Oct 29 2006, 12:34 PM
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There is a GE (Finnair's MD-11s use GE CF6-80C2 engines) modification that replaces the standard short cone with a longer cone. The engines themselves are otherwise identical. I'm not sure of the purpose of the modification but I guess it probably reduces fuel consumption. Apparently the airplane in the last photo has a mix of modded and non-modded enignes.
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Ranger
post Oct 30 2006, 03:26 PM
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Fluff beat me to it. To my knowledge, the MD-11 came equipped with two engine options. The General Electric CF6-80C2D1F producing 61,500 lbs. of thrust and the Pratt&Whitney PW4462 producing up to 62,000 lbs. of thrust. FinnAir uses the GE's so as Fluff said, it must a mod.

By the way, either engine is wonderful. My company has MD-11's with both. They are easy to operate, have lots of power and are reliable.
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anilv
post Nov 18 2006, 10:28 AM
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QUOTE(Ranger @ Oct 30 2006, 11:26 PM) [snapback]107294[/snapback]
Fluff beat me to it. To my knowledge, the MD-11 came equipped with two engine options. The General Electric CF6-80C2D1F producing 61,500 lbs. of thrust and the Pratt&Whitney PW4462 producing up to 62,000 lbs. of thrust. FinnAir uses the GE's so as Fluff said, it must a mod.

By the way, either engine is wonderful. My company has MD-11's with both. They are easy to operate, have lots of power and are reliable.



"My company" would mean?R u with an airline?


By the way how do you tell the diff between a DC10-30 and a MD11 from the external view?
Questions r for RANGER.
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SF3aviatrix
post Nov 18 2006, 02:36 PM
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QUOTE(anilv @ Nov 18 2006, 06:28 AM) [snapback]108606[/snapback]
"My company" would mean?R u with an airline?

Yes. He's our resident Captain from the purple carrier that delivers The World On TIme

http://www.flightlevel350.com/aviation_video.php?id=4758
http://www.flightlevel350.com/aviation_video.php?id=4759

QUOTE(anilv @ Nov 18 2006, 06:28 AM) [snapback]108606[/snapback]
By the way how do you tell the diff between a DC10-30 and a MD11 from the external view?


From a spotters point of view: a streteched fuselage, longer wingspan, modified tail and the most obvious clue- the winglets.
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Ranger
post Nov 18 2006, 07:31 PM
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What Trixie said. (God, I love intelligent women! Especially if they speak pilot.)
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SF3aviatrix
post Nov 19 2006, 03:58 AM
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QUOTE(Ranger @ Nov 18 2006, 03:31 PM) [snapback]108621[/snapback]
What Trixie said. (God, I love intelligent women! Especially if they speak pilot.)


Funny...my last non-pilot b/f tried to break me of 'pilot-speak'. Didn't work.
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anilv
post Nov 19 2006, 04:54 AM
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QUOTE(SF3aviatrix @ Nov 18 2006, 10:36 PM) [snapback]108614[/snapback]
Yes. He's our resident Captain from the purple carrier that delivers The World On TIme

http://www.flightlevel350.com/aviation_video.php?id=4758
http://www.flightlevel350.com/aviation_video.php?id=4759
From a spotters point of view: a streteched fuselage, longer wingspan, modified tail and the most obvious clue- the winglets.

Checked out both the videos.Nice job Ranger!I did see the videos earlier but never made the connection.Very informative.I used to live in Dubai and Sharjah earlier.These MD-11's were frequent visitors.I'm sure he must have been in one of them.I do hope he finds the time to shoot more videos for enthus like me,although I do hope the language is not pilot type but more elementary for starters to understand.
Cheers!
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mpeterson
post Dec 4 2006, 06:11 PM
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QUOTE(SF3aviatrix @ Nov 18 2006, 11:58 PM) [snapback]108631[/snapback]
Funny...my last non-pilot b/f tried to break me of 'pilot-speak'. Didn't work.



female pilots have boyfriends? ha.
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tripleseven
post Dec 21 2006, 01:26 AM
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QUOTE(mpeterson @ Dec 4 2006, 02:11 PM) [snapback]109380[/snapback]
female pilots have boyfriends? ha.



Why wouldn't they?
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