Abstract
A tabular, trial-and-error method of evaluating the steadybending stresses in a rotating propeller blade is developed and examples of its application are given. The bending moment at a shank section of the blade is estimated and, by tabular integration, the corresponding radial bending moment distribution is calculated. Additional trials with appropriately revised shank section bending moment estimates are made until the correct distribution is found, having the physically required moment value of zero a t the blade tip. Tilted blades and blades whose section centers of gravity do not in general fall on the blade axis are shown to be readily analyzed. Because the final analysis can be quickly checked on a calculating machine and because the method is easily learned, versatile, and fast, its general adoption by the propeller industry is advocated.
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