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 4
t and drag runs. the line of action of this latter wire passes through the pivot of the balance and if it lies in the plane of the lift arm the tension in the wire adds somewhat to the stability of the balance but does not otherwise affect its readings. In aligning these wires no painstaking… … Radius of propeller J Angle ofoftoch »i* -Exploration of slip stream of model propellers, section Fig. Fiq. 4.-Results of model tests at VL=22.3 — VL=!6.:> M. P. H. X ft. one diameter behind propeller. The crude but satisfactory device used to reproduce slip stream effect upon the model consisted…
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