e their in the same relation as the follow- points. Fourth is the plywood-web type with full ing, which are for parallel-chord specimens. K is web and no reinforcing. Here we undoubtedly have 60 for the parallel-chord truss type, 48 for the rein- excess material in portions of the web.… … Figure i.—.K. wing rib in the testing machine. The large timber below the rib is rigidly attached to the movable head of the testing machine and the evener system is supported on vertical standards that rest on the weighing platform stifTeners. The ideal lightened rib with no bracing identical…
NASA Technical Reports Server (NTRS)
Internet Archive · NASA Technical Reports · Public domain (US government work). Free to use for anything.
