Show Where Wh ere Uncle ele Sam Develops eve o s Better Fighting Airplanes While airplane factories from New York to California are arc working hour 24 shifts the Wright Field Fie research engineers and technical experts at Dayton Ohio arc are working ing at top speed testing new planes and developing speedier and more dependable fighting aircraft Nowadays only persons with i ironclad identifications are arc permitted to enter Wright Field but these pictures picture take tale you in t fit l tr X li jp t l 1 r I I 1 Fin structure to be installed in the tire new wind tunnel to direct flow of air where the tire tube makes a turn Maximum diameter Oj oj of the tube will be 40 feet permitting tests of oj o f airplane models with wing tving spreads up to 15 feet at wind ivind speeds up to miles an hour t Yu Below fi Largest propeller test sY r 1 rig in n the tire world It t whirls pro I petters up tip to fo 45 ft jt in diameter at speeds s P a up P Pf to RPM r f t r. r Ii r r rR R r f r Above Master D. D Sama Santa i 7 a rm Tin at the fuel segregator h he lie developed which insures insures rev re- removal moval o of f water from gasoline yrs x vr r f J 5 t SS s' s t 5 fir I f. f N S 01 Moo i ao a r Above Wright Field officers salute a n leading military dignitary who is on a atour atour atour tour of oj inspection Below tinge Huge gaso gasoline v line refueling units have been developed for supplying fuel to long range bomb bomb- ers Here is one in operation wC t 4 4 f V ii r l s f d r i A test pilot putting a new Curtiss P 40 single-place single pursuit plane through h its paces in a series of oj test flights |