naph-thene content, and therefore this test affords a fairlyaccurate measure of the tendency of the fuel to detonate.The reason for this is shown by reference to Table III(which was printed in the preceding article on this sub-ject), giving, for various fuels, their observed toluenevalues and also… … 50 5.5 CO 6.5 TO COMPRESSION RATIO Fig. 8The full lines show the indicated mean pressureobtained and the corresponding compression pres-sure (taken by modified Okill gauge) for varyingcompression ratios, and the throttle closed justsufficiently to prevent detonation of a fuel of lowtoluene value.…
Automobiles · Aeronautics
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