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First two 777X aircraft enter assembly line at Everett

Soumis
 
Boeing has released images of the first two Boeing 777X test aircraft on the final assembly line at its Everett plant in Washington. (www.flightglobal.com) Plus d'info...

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bigkahuna400
bigkahuna400 3
The metal is protected that way....it is washed off later
StevenHeckler
Steven Heckler 2
Hey the first domestic customer of the 777X will be......drum roll please.....United Airlines. United postponed their A 350 order by at least 5 years, a nice way to say we won't exercise it as Boeing made a deal they could not refuse. Wait for the announcement later this year from Boeing and United.
StevenHeckler
Steven Heckler 1
Chromate was found to be highly toxic to humans in the form of cancer.
StevenHeckler
Steven Heckler 1
Zinc Phosphate now, chromate was probably outlawed by the EPA
usrepeaters
Rob Palmer 2
Zinc Chromate worked well; is this why it is gone?
jaypek
Phil Knox 1
Why are so many of the modern airliner fuselage sections coloured green?
mhope100
Michael Hope 6
My uneducated guess, the green is the surface protectant applied to the aluminum. It also can be a release film on the aluminum to protect the surface from damage.
jaypek
Phil Knox 1
But...not all the sections are green!
bentwing60
bentwing60 7
Because some are composite.
petercraddy
Peter Craddy 1
And that's the first class section... 😀
petercraddy
Peter Craddy 4
(attempted smiley at the end)
tuba
tuba 4
Zinc chromate primer has been a staple of airframe builders since the 30's. It' an anticorrosive coating typically used under ultra-slick (less drag) top coats such as Dupont Imron.
usrepeaters
Rob Palmer 2
In the seventies I used it on the inside of my VW beetle mufflers. Before installing a new (steel) muffler, mix some zinc chromate with thinner 50-50, cover with saran wrap all the orifices on the muffler with a rubber band, and turn the muffler in all directions/ attitudes. Uncover and pour out the chromate, filtering it back into the can for further use (turn it in all directions to empty). Install it on the beetle and watch it last five years longer than before. The smell of burned paint for a few days (outside), and it's gone.

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