Air Force Tests of Sperry Messenger Model with Six Sets of Wings (1928)
NASA Technical Reports Server (NTRS) · leaf 10
kg/m2 \ 624 kg/m2. .Dynamic press. 28.8 kg/m2 Reynolds No. 172,000 3J400,000[ Reynolds No. /75,000 .5 • 3 .1 0" 4° 8° 12° 16° 20* 8° 12° 16° 20° -8° -4° -8° -4° Angle of attach, cc Angle of attack, a curves of S. M. model with IT. B. A. 27 wings and no Fig. 17.—Characteristic Fig. 16—Characteristic… … Fig. 18—Characteristic curves of S. M. model with R. A. F. 15 wings and no Fig. 19.—Characteristic curves of S. M. model with Clark Y wings and no propeller propeller 47125—27 2
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