The Effects of Shielding the Tips of Airfoils (1925)
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THE EFFECTS OF SHIELDING THE TIPS OF AIRFOILS than 0.2. The slope of the lift curve is somewhat augmented by this increase in ^Sipparent aspect ratio," as shown in Figure 6. … Angle of of tack, oc Fig. 6 Figure 7 covers the work on washed-out tips.^ The very small effect produced by the 8^ washout is rather surprising in that it is not appreciable at zero lift. The polar from the test with heavier washout shows only one important point, namely, that the addition to…
NASA Technical Reports Server (NTRS)
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