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Engine Performance and Knock Rating of Fuels for High-output Aircraft Engines (1938)

NASA Technical Reports Server (NTRS) · leaf 25

An illustration from Engine Performance and Knock Rating of Fuels for High-output Aircraft Engines, 1938, leaf 25
Tiff. 4 C.A. Technical Note No. 647 N.A o Best power, audible knock X « 11 , incipient M economy, 11 11 -P □ i " audible n O 44 (f) ■S I w 03 (D Pi M •H 03 l -p 0) rH (a) 6.50 Compression ratio (b) [7.25 Compression ratio. … 120 160 200 240 280 120 160 Inlet-air temperature, °F Figure 4.- Engine performance as limited by knock(100-octane fuel)

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