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Pressure-distribution measurements on O-2H airplane in flight

Description: "Results are given of pressure-distribution measurements made over two different horizontal tail surfaces and the right wing cellule, including the slipstream area, of an observation-type biplane. Measurements were also taken of air speed, control-surface positions, control-stick forces, angular velocities, and accelerations during various abrupt maneuvers. These maneuvers consisted of push-downs and pull-ups from level flight, dive pull-outs, and aileron rolls with various thrust conditions" (… more
Date: December 8, 1936
Creator: Pearson, H. A.
Partner: UNT Libraries Government Documents Department
open access

Measurements of fuel distribution within sprays for fuel-injection engines

Description: Two methods were used to measure fuel distribution within sprays from several types of fuel-injection nozzles. A small tube inserted through the wall of an air tight chamber into which the sprays were injected could be moved about inside the chamber. When the pressure was raised to obtain air densities of 6 and 14 atmospheres, some air was forced through the tube and the fuel that was carried with it was separated by absorbent cotton and weighed. Cross sections of sprays from plain, pintle, mul… more
Date: April 8, 1936
Creator: Lee, Dana W.
Partner: UNT Libraries Government Documents Department
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