Standardization Tests of NACA No. 1 Wind Tunnel (1925)
NASA Technical Reports Server (NTRS) · leaf 8
AND RESULTS. TEST OF DISK. Drag determinations were made on a 15 cm. (5.91 inches) steel disk of 1.59 mm. (0.06 inch) thickness. The back was chamfered at 45° to give a knife edge periphery. The disk was sup- ported on a right angle spindle attached to the downstream face. The vertical section of… … q in kqjm^ Fig. 7—Resistance of disk. 1 \ 1 \ \ \ \ r—1 r ^ /./ '''o.O 0.8 1.6 2.4 3.2 Fig. 8.—Resistance coefficients of disk. DISCUSSION. Table I contains both test data and calculated coefRcents for the disk; the values of drag and 0^ are plotted in Figures 7 and 8. No unusual results were found…
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