Four firings of the rocketdyne J-2 rocket engine were conducted in Test Cell J-4 of the Large Rocket Facility. These firings were accomplished during test period J4-1801-07 at pressure altitudes ranging from 89,000 to 106,000 ft at engine start. The objectives of the test included the evaluation of the effect of start tank energy on the oxidizer pump spin speed and the effect of thrust chamber temperature on the fuel pump high level stall margin. Firing 07A was conducted with 12 experimental oxidizer pump primary seal drain tubes attached to the engine. The accumulated firing duration for this test period was 66.5 sec. (Author)


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    Title :

    Altitude Developmental Testing of the J-2 Rocket Engine in Propulsion Engine Test Cell (J-4) (Test J4-1801-07)


    Contributors:

    Publication date :

    1968


    Size :

    101 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English