Twenty-two start and restart transient tests of the Rocketdyne J-2 rocket engine were conducted at pressure altitudes from 95,000 to 111,000 ft in Propulsion Engine Test Cell J-4 of the Large Rocket Facility, Arnold Engineering Development Center. A flight configuration J-2 engine (S/N J-2052) and S-IVB battleship vehicle were used. Engine restarts were made at crossover duct and turbine hardware conditions predicted for coast periods of both one and two orbits. Engine starts were made at both S-IB/S-IVB and S-V/S-IVB predicted flight conditions. Firing durations were programmed for 5 or 30 sec, and the accumulated firing time for the test period was 352.26 sec. This test series completed the orbital restart problem investigation and demonstrated successful engine restart at simulated orbital conditions. (Author)


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    Titel :

    Altitude Testing of the J-2 Rocket Engine in Propulsion Engine Test Cell (J-4) (Tests J4-1554-20 Through J4-1554-26)


    Beteiligte:
    M. R. Collier (Autor:in) / N. S. Dougherty (Autor:in)

    Erscheinungsdatum :

    1967


    Format / Umfang :

    176 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch