Structural analysis and design of airplanes (1920)
United States. Army. Air Corps · [Washington] · leaf 127
tal work done by the members cut by the section A Awill be a minimum. Fig. 65 shows the drag truss stresses in the sparsas computed by this method. Comparison of the results as given by Fig. 64 with those as givenby Fig. 65 shows that the simpler method of Fig. 64 is conservative andis close enough… … 108 CHAPTER IV MISCELLANEOUS DESIGN Ribs 83. Plywood Web Type—For chord lengths greater than a certainvalue, the built-up truss rib is more economical than the plywood webrib. This value will vary for different types of wing sections, being lessfor the thicker types. For the sections represented by…
Airplanes
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