The US Army Aviation Engineering Flight Activity conducted an evaluation to determine the increase in power required and the change in handling qualities due to the installation of the AN/ALQ-151(V)2 countermeasures system and associated mission equipment on the UH-60A helicopter. Testing conducted between 23 May 27 June 1984 totaled 12.4 hours. The addition of the Quick Fix System and associated mission equipment created an increase in equivalent flat plate area (F sub e) of 17 sq ft (ft2) for advance ratios (mu) of o.26 and greater. For mu's less than 0.26, the change in F sub e increased above 17 sq ft as a function of thrust coefficient. Handling qualities of the Quick Fix configured YEH-60A were unchanged from a normal utility configured UH-60A and were determined satisfactory. One deficiency, interference between the main rotor blades and the upper elements of the (no. 3 and no. 4 ) direction finding dipole antennas during ground taxi and four shortcomings were associated with the Quick Fix configuration.


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    Titel :

    Limited Airworthiness and Flight Characteristics (A&FC) Test of the Quick Fix Configuration


    Beteiligte:
    G. L. Skinner (Autor:in) / G. M. Bishop (Autor:in) / E. J. Tavares (Autor:in) / R. C. Murrell (Autor:in)

    Erscheinungsdatum :

    1984


    Format / Umfang :

    67 pages


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch




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