I'd just like to point out that these alleged 003 dimensions don't necessarily have to mesh with reality. This twitter post claims 44.5 m wide stern section without sponsons. Yet when measured in Google Earth, the width of that section is some 40 m.
If indeed the GE measuring tool is more precise, then all those discrepancies will add up and the final dimensions may then be visibly different from what the rest of that twitter post suggests.
That is one question I was wondering about with regards to the 44.5m wide stern -- where they got it from.
That said, I'm not sure about your claim either -- the 40m measurement for the stern on GE as far as I can see (if we're talking about the most recent imagery of 003 available, which is October 2020 last year) -- was taken when the height of the stern (and indeed the entire hull of the ship) was only at the level of the hangar deck floor, whereas the 44.5m measure is multiple decks higher, and even in that stern picture, we can see how the hull flares upwards somewhat from where the floor of the hangar deck would be.
Based on this earlier picture (admittedly at a slightly earlier stage of assembly than the stern photo used, but still enough to gauge the same visual flight deck level width that horobeyo measured), we can get a rough ratio of the internal width of the drydock with the width of the flight deck level width (red and green lines respectively).
Now, apparently there are tender documents from the drydock's initial construction saying it is 82m in internal width (which corresponds to the 81-82m width that I get on GE).
From there, the ratio of 307/349 x 82m, I get 72.1m for the flight deck level width.
Now, obviously there are some errors involved in my measurements (red and green lines aren't perfectly parallel, the image is indeed blurry), but I think the ballpark measurement of some 72m for the width of the flight deck is reasonable.
Obviously one source of error that might be there is the measurement of the internal width of the drydock (red line) in the image, specifically on the left side of the line... but looking at images of the drydock from satellite and taken from other perspectives in the shipyard, I think my measurement is accurate because we can see the tracks for the gantry crane is some 5.6m out from the wall of the drydock that can be measured on GE, and on the picture is some 24 pixels long (yellow line).
So, at this stage I'm tempted to say a flight deck width of some 72ish meters as measured is definitely within reason. Obviously we'd need better pictures to measure in time, ideally good quality satellite pics.... but as it stands I think the estimate is decent.
Of course feel free to provide a counter estimate.
