Some aspects of the comparison of model and full-scale tests (1926)
NASA Technical Reports Server (NTRS) · leaf 17
ciency is remarkably small for the variations of blade section of all seven propellers, 0 and H to M inclusive. Tho differences are almost.within the limits of error to.be expected in such experiments. As'regards diameter, the variation resulting from-cbange of section is normal, the thicker blades… … s.e £ i SO 30^40 BOBOIOO 100 3 400 s *3 4 e s to Scale for FIO. 10 figures show minor inconsistencies which could readily be fairod out. They were taken from curves plotted on entirely different variables. In concluding this part of my subject, it might-be pointed out that systematic diagrams such…
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