View Full Version : Coloration of fuselage during aircraft construction ?
Speedbird1
2014-09-18, 10:13 AM
I was always curious about why a bare metal aircraft fuselage during construction appears as a light green or blue color. If the fuselage skin is usually aluminum, wouldn't the skin appear a shiny silver rather than green or blue? Is this due to a chemical reaction of some sort? Boeing will not discuss their manufacturing process with the public.
heeshung
2014-09-18, 11:20 AM
It's primer, usually some version of zinc chromate.
Speedbird1
2014-09-18, 12:08 PM
Thanks for the info. Is this related to the process called "Pickling" often used on metallic surfaces to strengthen them?
Ari707
2014-09-18, 12:18 PM
usual the only part that is painted during construction is the rudder, so it can be balanced when it is installed.
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