General > General Technical Chat
RIP the "dream" plane
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Vovk_Z:

--- Quote from: Nusa on April 08, 2022, 12:13:41 am ---
--- Quote from: Neepa on April 07, 2022, 06:23:31 pm ---The AN-225 and other heavy lift planes (most of the time military transports) like it have the advantage in hauling compact heavy loads.
Loads that a Dreamlifter or Beluga would crumble under cause they are concentrated in such a small area that their deck structures would buckle under them.
That was the advantage of the AN-225.

Now some current construction projects of chemical plants or in the oil industry are going to scratch their head how they are going to transport a 90-120 ton reactor or boiler across the world in their timetables.

--- End quote ---

Your example needs a bigger number to require the AN-225. The AN-124 can haul about 150 tons if it'll fit in the plane.

--- End quote ---
It can fly only 3200 km with 150 tons, but 5200  with 120 tons, etc. So if a large range is required then a load is strictly restricted.
tom66:
Looking at the damage to other planes there I can't imagine many of them flying again.  The bullet holes ripping through fuselage, hydraulics, avionics, etc.  will be extremely expensive to repair, especially given the aircraft are mostly outside of series production.  The An-225 is more of an exception, hearing the chief pilot tear up over that was hard.  I don't think much more than the tail section and some engines are usable, and even then those will need complete overhauls to ensure they are airworthy.  That aircraft is gone, sadly, but maybe the parts can be used.

A Boeing 777-200ER was fire damaged due to an uncontained engine failure a few years ago.  That one was repaired, but the repair process took a few months and the cost was close to writing the aircraft off, though it wasn't quite there:
https://en.wikipedia.org/wiki/British_Airways_Flight_2276

Just that small fire damage on the aircraft in the hangar may be enough to write that off.

Most insurance doesn't cover war, I expect aviation insurance is the same.  So repairs/replacement will only happen at the cost of the Russian state, or if Antonov funds them privately. 
coppercone2:
I hope they can find someone to fix it, its kind of a national treasure, the front looks totally FUBAR though (that looks like ALOT of panel beating, if you can even do that to a plane chassis), based on the video.

Alot of suffering went into being able to make that plane (at cost of things like toilet paper, chip miniaturization, etc). Why are the bullet holes such a big deal? I thought it was all pipes and cable harnesses in there, I thought it could be mostly patched up.

Did it get shot by a heavy artillery or something?
nctnico:

--- Quote from: coppercone2 on April 08, 2022, 11:01:31 pm ---I hope they can find someone to fix it, its kind of a national treasure, the front looks totally FUBAR though (that looks like ALOT of panel beating, if you can even do that to a plane chassis), based on the video.

Alot of suffering went into being able to make that plane (at cost of things like toilet paper, chip miniaturization, etc). Why are the bullet holes such a big deal? I thought it was all pipes and cable harnesses in there, I thought it could be mostly patched up.

--- End quote ---
AFAIK it doesn't work that way. To reduce weight, every part of the fuselage (including the plating) is part of the main structure of an airplane. A bullet hole can easely lead to a larger tear. So at least every piece of plating with a bullet hole in it needs to be replaced.
james_s:

--- Quote from: nctnico on April 08, 2022, 11:48:06 pm ---AFAIK it doesn't work that way. To reduce weight, every part of the fuselage (including the plating) is part of the main structure of an airplane. A bullet hole can easely lead to a larger tear. So at least every piece of plating with a bullet hole in it needs to be replaced.

--- End quote ---

It's called a stressed skin. Damaged panels can be patched with a plate, but if you have several holes it may be easier to replace.
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