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Old 11-23-2019, 02:27 PM   #32 (permalink)
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Originally Posted by JSH View Post
Unpainted steel is way harder to keep looking good than paint. With paint you can just buff out a scratch. You can do the same with unpainted steel but it is way harder to blend from the newly buffed area to the weathered original surface.

You also can't repair dents with unpainted steel because you can't use filler. Either the dent is knocked out perfectly or you have to replace the panel. With a painted service you pop out the dent so it is close to the original shape, fill with body filler, sand the surface to match, and then repaint.
Seems like engineering hard points for attachment,and running magnetorheological dampers would be a walk in the park nowadays for addressing these issues.All-metal aircraft,from home-builts,to commercial jetliners all get by with rigid, stressed-skin fuselage.
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