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 ...
ATK ATK announced today that Airbus Military has selected ATK for a contract in excess of $100 million to produce composite wing cover stringers for use on the A400M Military Transport Aircraft. The ...
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