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AB A/c With Missing Engine Covering?  
User currently offlineTobias2702 From Germany, joined Sep 2008, 731 posts, RR: 0
Posted (5 years 9 months 1 week 6 days 19 hours ago) and read 3119 times:

I found this pic of July 2008 in my archive. Why is a part of the engine covering missing? I also have an image of the other side, where it's the same.

http://www.airliners.net/uf/536966228/phptiLheb.jpeg

Thank for your help!

[Edited 2009-03-18 13:00:40]

[Edited 2009-03-18 13:01:20]

[Edited 2009-03-18 13:02:21]


PA, AF, UK, BA, AB, DL, LH, FR, BD, A3, EZY, DY //// A319/320/346, B733/735/73G/738/744/763, AT4, 146, CR2, DH4
13 replies: All unread, jump to last
 
User currently offlineKFLLCFII From United States of America, joined Sep 2004, 3310 posts, RR: 30
Reply 1, posted (5 years 9 months 1 week 6 days 19 hours ago) and read 3078 times:



Quoting Tobias2702 (Thread starter):
Why is a part of the engine covering missing?

Those gaps are for the ground crew to snuggle up into when it's cold out. They're great.



"About the only way to look at it, just a pity you are not POTUS KFLLCFII, seems as if we would all be better off."
User currently offlineHiflyer From United States of America, joined Nov 2004, 2177 posts, RR: 3
Reply 2, posted (5 years 9 months 1 week 6 days 19 hours ago) and read 3078 times:

It's a 737-75b not an airbus. The reversers are still open.

User currently offlineAA777223 From United States of America, joined Feb 2006, 1259 posts, RR: 6
Reply 3, posted (5 years 9 months 1 week 6 days 19 hours ago) and read 3061 times:

I think it is just engaging reverse thrust. When the engine does this, the back half (or so) of the engine cowling slides back, to allow the thrust to exit. You can tell this by looking at the exhaust vane whihc is covered much more by the engine cowling than on other 737s. This is all that is happening here. Next time you land in an aircraft, watch for it, and you'll see what I'm talking about.


Sic 'em bears
User currently offlineAA777223 From United States of America, joined Feb 2006, 1259 posts, RR: 6
Reply 4, posted (5 years 9 months 1 week 6 days 19 hours ago) and read 3063 times:



Quoting Hiflyer (Reply 2):
It's a 737-75b not an airbus. The reversers are still open.

I think by AB he was referring to airberlin, not airbus.



Sic 'em bears
User currently offlineMIgAiR54 From Spain, joined Jun 2007, 1922 posts, RR: 1
Reply 5, posted (5 years 9 months 1 week 6 days 18 hours ago) and read 3021 times:



Quoting Hiflyer (Reply 2):
It's a 737-75b not an airbus. The reversers are still open.

Perfect

Altough is in a taxiway, sometimes pilots use the reserverses to slow donw the plane if the brakes are hot or to prevent that.

Reverse is different in each engine type. you can check, some airbus planes have one very nice to see, and the B737-200 also.


User currently offlineJorge1812 From Germany, joined Apr 2004, 3149 posts, RR: 6
Reply 6, posted (5 years 9 months 1 week 6 days 18 hours ago) and read 3018 times:

Definately only thrust reverser open b/c airberlin letters are complete only with a gap. If something was missing few letters of airberlin wouldn't be present. I've seen a/c taxiing with t/r very often but not on on a 737 yet.

georg


User currently offlineHeavierthanair From Switzerland, joined Oct 2000, 824 posts, RR: 0
Reply 7, posted (5 years 9 months 1 week 6 days 18 hours ago) and read 2992 times:

G'day

A section of the engine cowling has been removed as a weight saving measure. Though this is expected to slightly increase drag the fuel savings are still expected to more than compensate for that. Air Berlin has volunteered to perform the in service trials. If the fuel savings as expected can be realized this will become standard equipment on all new 737 aircraft and a retrofit package will be developed for older in service aircraft. Early taxiing trial are looking promising and first flight tests are imminent. Once the trials are completed Boeing will compensate Air Berlin for the costs of the trials with a free issue 737-800 from an order recently cancelled by another customer.  Smile

I am unable to post a link to the story since these trials are not supposed to be made public before patents have been applied for.  Embarrassment


Cheers

Peter



"Two things are infinite: the universe and human stupidity; and I'm not sure about the universe." (Albert Einstein, 1879
User currently offlineQantas744ER From United States of America, joined Jun 2005, 1296 posts, RR: 4
Reply 8, posted (5 years 9 months 1 week 6 days 17 hours ago) and read 2898 times:



Quoting Tobias2702 (Thread starter):
I found this pic of July 2008 in my archive. Why is a part of the engine covering missing? I also have an image of the other side, where it's the same.



Leo



Happiness is V1 in Lagos
User currently offlineFalcon84 From , joined Dec 1969, posts, RR:
Reply 9, posted (5 years 9 months 1 week 6 days 12 hours ago) and read 2747 times:

I think that's where they're going ot put the anti-missile defense system on new 737's, and it's being tested.

User currently offlineJorge1812 From Germany, joined Apr 2004, 3149 posts, RR: 6
Reply 10, posted (5 years 9 months 1 week 6 days 10 hours ago) and read 2681 times:



Quoting Heavierthanair (Reply 7):

Probably overlooked some sarcasm here but this is just an open thrust reverser (no letter missing!.) Also this plane belongs to Germania (ST) and not airberlin so I assume they would at first save costs on their own 737's.

georg


User currently offlineCFMTurboFan From Canada, joined May 2007, 41 posts, RR: 0
Reply 11, posted (5 years 9 months 1 week 5 days 19 hours ago) and read 2353 times:

Is this thread for real? or a huge wind up?

User currently offlineJorge1812 From Germany, joined Apr 2004, 3149 posts, RR: 6
Reply 12, posted (5 years 9 months 1 week 4 days 19 hours ago) and read 1960 times:



Quoting CFMTurboFan (Reply 11):

Real for sure and why not. Not everybody has such a big knowledge liek me  Wink or many others here. The forum is good to aks such questions even when they sound stupid for some people.

georg


User currently offlineAirframeAS From United States of America, joined Feb 2004, 14150 posts, RR: 24
Reply 13, posted (5 years 9 months 1 week 4 days 18 hours ago) and read 1936 times:



Quoting AA777223 (Reply 3):
When the engine does this, the back half (or so) of the engine cowling slides back, to allow the thrust to exit.

Its not thrust being exited from that point. It is the bypass airflow being blocked by the blocker doors of the cascading thrust reversers from the compressor fan blade (fwd fan). The thrust is still going through the back of the engine. This is a CFM engine.

Just thought I'd point that out.



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