The Tiltrotor Test Rig (TTR) is a new, large-scale proprotor test system for the National Full-Scale Aerodynamics Complex (NFAC). The TTR was jointly developed by NASA, the U. S. Army and the U. S. Air Force. The first wind-tunnel entry was completed in November 2018 with a modern, 26-ft diameter proprotor. The primary purpose was to complete the development of the TTR, including systems integration with the NFAC. The TTR and rotor were tested up to 273 knots in axial flow, which is the highest airspeed ever achieved by a full-scale proprotor in any wind tunnel. The entry constitutes the first full-scale wind-tunnel test of a gimballed, coning-flexure rotor. Extensive conversion-mode data were also acquired, and hover/climb conditions were explored. Additional testing included aerodynamic tares, motor tests, thermal tests, modal vibration tests, and other checkout activities. This report summarizes the results of the test, including examples of the most significant data.


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    Titel :

    Wind Tunnel Performance Tests of a Full-Scale Proprotor on the Tiltrotor Test Rig


    Beteiligte:
    C W Acree, Jr. (Autor:in) / A L Sheikman (Autor:in) / T R Norman (Autor:in)

    Erscheinungsdatum :

    2022-12-30


    Medientyp :

    Report


    Format :

    Keine Angabe


    Sprache :

    Englisch




    High-Speed Wind Tunnel Tests of a Full-Scale Proprotor on the Tiltrotor Test Rig

    Acree, C. W., Jr. / Sheikman, A. L. / Norman, Thomas R. | NTRS | 2019


    TILTROTOR AIRCRAFT ROTATING PROPROTOR ASSEMBLY

    ROSS BRENT C / RINEHART MICHAEL E / WILLIAMS JEFFREY M et al. | Europäisches Patentamt | 2018

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    TILTROTOR AIRCRAFT ROTATING PROPROTOR ASSEMBLY

    DECKER GEORGE R / ROBEDEAU STEVE / WILLIAMS JEFFREY M | Europäisches Patentamt | 2019

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