The installed performance degradation of a swivel nozzle thrust deflector system obtained during increased vectoring angles of a large-scale test program was investigated and improved. Small-scale models were used to generate performance data for analyzing selected swivel nozzle configurations. A single-swivel nozzle design model with five different nozzle configurations and a twin-swivel nozzle design model, scaled to 0.15 size of the large-scale test hardware, were statically tested at low exhaust pressure ratios of 1.4, 1.3, 1.2, and 1.1 and vectored at four nozzle positions from 0 deg cruise through 90 deg vertical used for the VTOL mode.


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    Title :

    Small-Scale Test Program to Develop a More Efficient Swivel Nozzle Thrust Deflector for V/STOL Lift/Cruise Engines


    Contributors:

    Publication date :

    1976


    Size :

    112 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English