United States. National Advisory Committee for Aeronautics, United States. National Aeronautics and Space Administration · Washington : G.P.O. · leaf 692
s in each cycle (in normal opera-tion) is the pressure on both sides of the diaplu-agm balanced. Except for these instants, thediaphragm is pressed against one support or the other, according to which pressure is the higher.The diaphragm is a metal disk about 30 millimeters (1| inches) diameter and… … ^•;: .VA^A^ A* W» SA. Fig. 1.—Pressure element: Principal section. 640 ANNUAL REPORT NATIONAL ADVISORY COMMITTEE FOR AERONAUTICS. although phosphor bronzo ones have given satisfactory service. A metal having the mechanicalcliaractoristics of steel without its susceptibility to corrosion would be…
Aeronautics
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