Preliminary Experiments to Determine Scale and Slip-Stream Effects on a 1/24th Size Model of a JN4H Biplane (1923)
NASA Technical Reports Server (NTRS) · leaf 6
5 PRELIMINARY EXPERIMENTS ON A JN-4H BIPLANE. order to obtain the desired slip stream velocities. A propeller geometrically similar to that used in full flight would require a rotational speed varying from 15,000 to 40,000 r. p. m., which was above the range available when these tests were made.… … the airplane up through its entire range of climbing fig. g.-shp stream velocity from free mght tasts. angles and ending with minimum speed in horizontal flight. The two curves thus intersect at maximum and minimum flying speeds. The values of y thus determined are plotted against both angle of…
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