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Last A380 Leaves Assembly Hall

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Last A380 Leaves Assembly Hall

Old 4th Apr 2021, 19:55
  #161 (permalink)  
 
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172 Driver
350 ok 787 dire but both not as good as 380 in my opinion and I have done a lot of LH flying in my time, with quite a lot of time on 380,less on the other two, though the 787 is on my no fly list, as plane and indeed company have issues with them for me.
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Old 5th Apr 2021, 07:03
  #162 (permalink)  
 
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Chief Willy

The square cube law indicates that weight increases with a higher exponential than the capacity/lift. Larger aircraft are thus structurally less efficient (payload over empty weight) than smaller ones, which negates any increase in aerodynamic efficiency (lift to drag ratio).

On a similar note, the A321neo is structurally extremely efficient, so has high payload to empty weight ratio. The aerodynamic efficiency is however a bit lower than for widebody aircraft.

Max payload / Operational empty weight (tonne/tonne)
A380: 84.0/277.0 = 30.1%
B747-8: 76.1/220.1 = 34.5%
B787-9: 52.6/128.9 = 40.8 %
A321neo: 25.5/50.1 = 50.9 %
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Old 5th Apr 2021, 09:00
  #163 (permalink)  
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procede :
interesting calculation .
B747-8: 76.1/220.1 = 34.5%
this for the pax version , the Fs doa bit better of course.
I was curious to see what the An124 ratio was, and surprisingly 82% ( 150 t payload /181 OEW ) our soviet friends did not do a too bad job in their days ..
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Old 7th Apr 2021, 12:26
  #164 (permalink)  
 
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I'm a fan of the A380 - that Airbus video makes me sad. But it'll be in the air for a while yet and I suspect, in 20 years time, we'll be looking for something to fulfil a similar role. I could see, post Covid, the A380 being helpful to mop up demand into one rotation a day from smaller airports (e.g. BHX). But I'm no expert and it might be more 'hope' than 'realism'. But I'll be glad when it returns to BHX for the trip to Dubai!

Changing the subject - is there any particular reason why the tailfin and engine covers have Emirates branding, but the rest remains unpainted? Is there something special about those that means they cant be painted later?
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Old 7th Apr 2021, 18:05
  #165 (permalink)  
 
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The moving bits of the rudder need to be balanced after it's painted. So it's usually painted prior to installation.
It's a pretty common sight around the Boeing flight line to see otherwise unpainted aircraft with the hinged portion of the rudder painted.
I don't know about the engine nacelles...
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Old 9th Apr 2021, 05:00
  #166 (permalink)  
 
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LessThanSte

Check out google earth DWC, 110 380’s parked.
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Old 9th Apr 2021, 06:21
  #167 (permalink)  
 
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Google Earth images are NOT updated regularly... EK recalling Unpaid leave 380 pilots now so more airframes will be returning to the sky where they belong!
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Old 9th Apr 2021, 11:12
  #168 (permalink)  
 
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I counted 84 at DWC and 33 at DXB. According to airfleets, they have 118 in total, including one that is to be scrapped. https://www.airfleets.net/flottecie/Emirates.htm
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Old 18th Apr 2021, 11:35
  #169 (permalink)  
 
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A380F

All this talk of it being too late, and too uneconomical to convert it to a freighter may have to eat their words.
https://www.flightglobal.com/air-tra...138247.article
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Old 18th Apr 2021, 18:34
  #170 (permalink)  
 
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An aircraft with no cargo door and a rudimentary (if any) cargo handling system does not a freighter make.
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Old 18th Apr 2021, 18:45
  #171 (permalink)  
 
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This seems to be just the makeshift conversion for short notice standby freighters made from idle passenger airplanes. This obviously needs paperwork and certification but is far from some actual freighter conversion, special freighters and such.
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Old 18th Apr 2021, 23:39
  #172 (permalink)  
 
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How about a Combi?

https://simpleflying.com/airbus-a380...nversions/amp/
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Old 19th Apr 2021, 00:26
  #173 (permalink)  
 
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Doesn't address the low MZFW issue - if you carry much cargo there won't me any weight left for passengers.
Further, certifying a new combi is going to be a challenge - the regulations governing a new combi cert were changed after the Helderberg disaster and no one has certified a new combi since that regulation change.
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Old 19th Apr 2021, 03:40
  #174 (permalink)  
 
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Now that NZ has banned the shipping of cattle and sheep by sea maybe the A380's could be repurposed as large cattle carriers; 150 tonne payload would = 300 cows, 150 per deck, remove the overhead bins and install a 'waste' conveyor, use the hold for the dung?
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Old 19th Apr 2021, 03:53
  #175 (permalink)  
 
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Except that the A380 can't carry 150 tons of payload - based on the MZFW it's limited to around 90 tons...
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Old 22nd Apr 2021, 20:06
  #176 (permalink)  
 
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Originally Posted by TURIN View Post
All this talk of it being too late, and too uneconomical to convert it to a freighter may have to eat their words.
https://www.flightglobal.com/air-tra...138247.article
The article is from May, 2020 and only discusses temporary conversion to a freighter, although it does discuss a permanent supplemental type rating. From the article:
“Anyone who opts for Lufthansa Technik’s exceptional solution now can easily switch to the permanent [supplementary type certification] solution later.”........Jochmann says the change involves “much more than just taking out seats”, because of the different load and safety considerations involved in placing freight in the passenger cabin.
This is not a conversion to a freight aircraft, it's a convenience conversion to allow some freight to be carried after passenger traffic volumes crashed. tdracer gave a pretty thorough analysis in this thread of what would have to be done to make the aircraft into a useful freighter and why it (probably) isn't justified.
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Old 22nd Apr 2021, 20:51
  #177 (permalink)  
 
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The Airbus vanity project is done. COVID simply hastened its inevitable phase out.
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