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New guy

Expansion and contraction just like on the hull. It's more about the changes of temp and the density of the metals than pressure.
 
Why would you get Oil Canning up there? I can understand the hull, but not on the superstructure.,
View attachment 186703
Several factors can contribute to oil canning. Thermal expansion/contraction through the day, memory in the material due to stresses induced during manufacture, the size and thickness of the panels, improper installation of the panels, the support structure not being in-plane, the panels being twisted or bent during transport or installation and movement of the ship's structure from wave action, cargo shifting and machinery vibrations.

Cheers
RichB
 
All I can say is that is one VERY busy ship.
Build the hull in a week.
Take the next 6-8 months to do all the superstructure and STUFF.
 
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