IN the majority of cases, the performance of a new airscrew design is estimated by making use of other test results, already known, and which are recalculated for the particular case in question by applying the laws of similarity.
von Doepp, P. (1940), "Polar Diagrams for Airscrew Design: A German Method, based on British Experiments, for the Prediction of Airscrew Performance", Aircraft Engineering and Aerospace Technology, Vol. 12 No. 9, pp. 264-270. https://doi.org/10.1108/eb030685
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