Determination of Turning Characteristics of an Airship by Means of a Camera Obscura (1925)
NASA Technical Reports Server (NTRS) · leaf 7
film removed. As shown in Figures 5 and 6, the prick points were connected by a solid line, with an arrowhead indicating the nose of the ship in each case. The center of buoyancy of the ship was located on each line and smooth curves representing the actual path of the points with reference to the… … Fig. 4.—Diagram showing method of laying out data The scale of the drawing was determined through the relation of the length of the image to the length of the ship. From the wind velocity and the scale of the drawings a vector representing the wind displacement per exposure was determined. Each…
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