The effect of fuel volatility on altitude starting limits of an axial-flow-compressor-type turbojet engine was investigated using fuels with Reid vapor pressures of 1.1 and 5.4 pounds per square inch. At flight Mach numbers from 0.40 to 0.85, the AN-F-58 fuel allowed consistent windmilling at altitudes 2000 to 8000 feet higher than was obtained with the 1.1-pound Reid vapor pressure fuel. At a flight Mach number of 0.25, ignition could not be established at any altitude with the lower-volatility fuel.


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    Title :

    Effect of fuel volatility on altitude starting limits of a turbojet engine


    Contributors:

    Publication date :

    1950-09-11


    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English