Relation of preignition and knock to allowable engine temperatures
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ENGINE CYLINDERS-WRIGHT C GC↗
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Correlation of Mixture Temperature Data Obtained from Bare Intake-manifold Thermocouples
A relatively simple equation has been found to express with fair accuracy, variation in manifold-charge temperature with charge in engine operating conditions. This equation and associated curves have been checked by multi cylinder-engine data, both test stand and flight, over a wide range of operating conditions. Average mixture temperatures, predicted by the equations of this report, agree reasonably well with results within the same range of carburetor-air temperatures from laboratories and test stands other than the NACA.
ENGINES-PRATT & WHITNEY R-1830-75 (AMER )↗