Tests on duralumin columns for aircraft construction (1924)
NASA Technical Reports Server (NTRS) · leaf 5
N.A.C.A. Technical Note No.208 Fig.l \ 60000 Eulbr' s \ CU] ve ■ … Values of L/r Fig.l Compression tests mark "A" heat treated dural^omin columns. Columns tested as pin ended struts. Least radius of gyration is about axis of non-symm.etry.
NASA Technical Reports Server (NTRS)
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