Elon Musk indicated that the SpaceX Super Heavy Booster will use welded, internal, longitudinal hat stringers [to support its structure when unpressurized]. To the degree it may need hoop stiffness ...
Boeing said Friday it is inspecting all the fuselages of its new 747-8 jumbo jets after a supplier reported that the structural rods that stiffen the skin, called stringers, were machined too thin and ...
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