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The knocking characteristics of fuels in relation to maximum permissible performance of aircraft engines (1939)

NASA Technical Reports Server (NTRS) · leaf 8

An illustration from The knocking characteristics of fuels in relation to maximum permissible performance of aircraft engines, 1939, leaf 8
f limiting the maximum permissible inlet-air was limited by knock. pressure is indicated for each fuel. Toluene and ben- zene have curves that are somewhat similar, as might be expected. Iso-octane and di-isopropyl ether have curves which are even more similar but which bear no P, R Temperature of… … ZOO 2SO 300 350 400 450 is in agreement with the analysis presented in the first Coolant temperature, °F Figure fl.—Effect of coolant temperature on maximum permissible density factor part of this discussion. The differences between the (data from reference 8). C. F. H. engine; compression ratio,…

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