LHStarAlliance
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Whats Happening To This Engine? A380

Mon Dec 24, 2007 6:27 pm

http://www.flightglobal.com/assets/getasset.aspx?ItemID=20914

For me it looks like an engine fire , but I've never heard of an fire on an 380 ...

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Stitch
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RE: Whats Happening To This Engine? A380

Mon Dec 24, 2007 6:47 pm

Smoke generator to assist in the wake vortex testing I would guess.
 
LH526
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RE: Whats Happening To This Engine? A380

Mon Dec 24, 2007 6:56 pm

Where's the fuel dump exhast on the A380?
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Stitch
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RE: Whats Happening To This Engine? A380

Mon Dec 24, 2007 6:58 pm



Quoting LH526 (Reply 2):
Where's the fuel dump exhast on the A380?

I would imagine the wingtips. I would hope it would not be right behind the engine...  covereyes 
 
hamad
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RE: Whats Happening To This Engine? A380

Mon Dec 24, 2007 7:06 pm

i also noticed during airshows that the reverse thrust doors on the engines of the A380 are only open on #2 and #3, is that just during the show or is it that the airplane is designed to do that?
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OldAeroGuy
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RE: Whats Happening To This Engine? A380

Mon Dec 24, 2007 7:06 pm



Quoting Stitch (Reply 1):
Smoke generator to assist in the wake vortex testing I would guess.

Correct. They injected fluid into the engine exhaust to make the smoke so the wake vortex would be visible.
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scrubbsywg
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RE: Whats Happening To This Engine? A380

Mon Dec 24, 2007 7:09 pm



Quoting HAMAD (Reply 4):
i also noticed during airshows that the reverse thrust doors on the engines of the A380 are only open on #2 and #3, is that just during the show or is it that the airplane is designed to do that?

you are right, there are only TR on engines 2 and 3.
 
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kc135topboom
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RE: Whats Happening To This Engine? A380

Mon Dec 24, 2007 7:23 pm



Quoting LHStarAlliance (Thread starter):
http://www.flightglobal.com/assets/getasset.aspx?ItemID=20914

For me it looks like an engine fire , but I've never heard of an fire on an 380 ...

The smoke looks like it is very high on the engine, not in the tail pipe. It could be a smoke generator attached to the engine strut, as the rudder doesn't look deflected, which it would be with an engine shut down.

The A-380 would have gone through several engine failure tests, in flight, and on take-off continued. For 4 engine airplanes, failing the outboards usually tells you a lot of how the airplane will handle, but they also do failures of the inboards.
 
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HAWK21M
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RE: Whats Happening To This Engine? A380

Tue Dec 25, 2007 3:13 am



Quoting HAMAD (Reply 4):
i also noticed during airshows that the reverse thrust doors on the engines of the A380 are only open on #2 and #3, is that just during the show or is it that the airplane is designed to do that?

The A380 only has T/Rs on the Inboard Powerplants.

Quoting KC135TopBoom (Reply 7):
It could be a smoke generator attached to the engine strut, as the rudder doesn't look deflected, which it would be with an engine shut down.

Any details on this test & its sequence.

regds
MEL
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pilotboi
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RE: Whats Happening To This Engine? A380

Wed Dec 26, 2007 4:57 am



Quoting HAWK21M (Reply 8):
The A380 only has T/Rs on the Inboard Powerplants.

It's been discussed before, in other threads...but the reason behind this is that on most regular, and all small, runways, the #1 and #4 engines will actually be over the grass areas on the sides, and it's not the best idea to run a reverser over grass and all that.
 
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HAWK21M
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RE: Whats Happening To This Engine? A380

Wed Dec 26, 2007 9:05 am



Quoting Pilotboi (Reply 9):
It's been discussed before, in other threads...but the reason behind this is that on most regular, and all small, runways, the #1 and #4 engines will actually be over the grass areas on the sides, and it's not the best idea to run a reverser over grass and all that.

Apart from Extending outside the Runway Area, & the FOD during reverse Thrust.Braking is primarily still adequate.

Anyone aware of the details on the Test on hand in the Pic.

regds
MEL
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jetmech
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RE: Whats Happening To This Engine? A380

Thu Dec 27, 2007 1:04 am



Quoting Pilotboi (Reply 9):
but the reason behind this is that on most regular, and all small, runways, the #1 and #4 engines will actually be over the grass areas on the sides, and it's not the best idea to run a reverser over grass and all that.

I'd say the main reason for not having outboard reversers on th A-380 was weight.

Regards, JetMech
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HAWK21M
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RE: Whats Happening To This Engine? A380

Thu Dec 27, 2007 4:44 am



Quoting JetMech (Reply 11):
I'd say the main reason for not having outboard reversers on th A-380 was weight.

How much would a TR of an A380 weigh.
regds
MEL
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tdscanuck
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RE: Whats Happening To This Engine? A380

Thu Dec 27, 2007 5:44 am



Quoting HAWK21M (Reply 12):
How much would a TR of an A380 weigh.

Ballpark, I would expect 1000-2000 lbs per half.

Tom.
 
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HAWK21M
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RE: Whats Happening To This Engine? A380

Thu Dec 27, 2007 10:04 am



Quoting Tdscanuck (Reply 13):
Ballpark, I would expect 1000-2000 lbs per half.


ie approx 500-1000Kgs addition per side.Max 2000kgs on the Aircraft.Would that trouble A380.
regds
MEL
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wirelock
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RE: Whats Happening To This Engine? A380

Thu Dec 27, 2007 11:04 am



Quoting JetMech (Reply 11):
I'd say the main reason for not having outboard reversers on th A-380 was weight.

Regards, JetMech

heard that was the reason from an airbus engineer while on a visit to TLS
 
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HAWK21M
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RE: Whats Happening To This Engine? A380

Thu Dec 27, 2007 12:24 pm



Quoting Wirelock (Reply 15):
heard that was the reason from an airbus engineer while on a visit to TLS

Interesting.So Simon [Jetmech] was right after all.

Was just thinking what about Interiors could not that have contributed some more savings in weight & left the T/R s on.

regds
MEL
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Starlionblue
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RE: Whats Happening To This Engine? A380

Thu Dec 27, 2007 12:55 pm



Quoting HAWK21M (Reply 14):

ie approx 500-1000Kgs addition per side.Max 2000kgs on the Aircraft.Would that trouble A380.

Every little counts. 1-2 tons is nothing to sneer at even on an aircraft that size. The same weight in payload or fuel makes quite a difference.
"There are no stupid questions, but there are a lot of inquisitive idiots." - John Ringo
 
Pihero
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RE: Whats Happening To This Engine? A380

Thu Dec 27, 2007 1:07 pm



Quoting HAWK21M (Reply 10):
Anyone aware of the details on the Test on hand in the Pic.

Here is the article on FlightGlobal related to the picture :
A380 wake testing
Note that the aircraft is in approach or landing configuration
Regards
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HAWK21M
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RE: Whats Happening To This Engine? A380

Thu Dec 27, 2007 3:53 pm



Quoting Pihero (Reply 18):

Thats a fantastic link.Thanks a lot.

regds
MEL
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jetmech
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RE: Whats Happening To This Engine? A380

Thu Dec 27, 2007 4:15 pm



Quoting HAWK21M (Reply 16):
Was just thinking what about Interiors could not that have contributed some more savings in weight & left the T/R s on.

I'm sure the interiors on Airbus's can lose more weight! I remember pulling out the switch that was used to turn on the light located on the main door of an A330. The switch is just the tip of the iceberg. Behind the switch is a module that is about the size of a brick, which probably weighed a good two or three kilos! All that size and mass just to turn on one light!

Regards, JetMech
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3MilesToWRO
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RE: Whats Happening To This Engine? A380

Thu Dec 27, 2007 10:18 pm



Quoting Stitch (Reply 3):


Quoting LH526 (Reply 2):
Where's the fuel dump exhast on the A380?

I would imagine the wingtips. I would hope it would not be right behind the engine...

Why not? F-111 has it there and it looks great  Wink
 
WingedMigrator
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RE: Whats Happening To This Engine? A380

Thu Dec 27, 2007 11:06 pm



Quoting LH526 (Reply 2):
Where's the fuel dump exhast on the A380?

I think it's the red thingy in this picture:
View Large View Medium
Click here for bigger photo!

Photo © Ben Wang



Quoting HAWK21M (Reply 14):
Max 2000kgs on the Aircraft.Would that trouble A380.

2000 kg will cost an A380 about 100 nm of range (1.2% penalty)

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