A flight-test technique has been developed under NASA Dryden sponsorship NSG 4028 to predict aircraft cruise performance characteristics. The technique used acceleration and deceleration maneuvers to define baseline aerodynamic and propulsion system characteristics, which were then input to a performance modeling prediction program. Conventional stabilized 'speed power' tests, which are normally used for cruise performance definition, can comprise a large portion of the flight time in a program. A significant reduction in flight time was estimated using the performance modeling approach with associated savings in cost and schedule. A 20-h verification flight-test program was accomplished.


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    Title :

    Flight-test determination of aircraft cruise characteristics using acceleration and deceleration techniques


    Contributors:

    Published in:

    Publication date :

    1988-07-01



    Type of media :

    Miscellaneous


    Type of material :

    No indication


    Language :

    English