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  • 1
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    Model flight tests of a spin-resistant trainer configuration (1992)
    In:  Other Sources
    Details
    Publication Date: 2011-08-24
    Description: Powered, radio-controlled flight tests were conducted on a 1/4-scale model of a spin-resistant trainer configuration to determine the stall departure and spin resistance characteristics provided by an outboard wing leading-edge droop modification. The model was instrumented to provide quantitative as well as qualitative information on flight characteristics. Flight test results indicated that the unmodified configuration (wing leading-edge droop off) exhibited an abrupt, uncontrollable roll departure at the stall. With the outboard wing leading-edge droop installed, the modified configuration exhibited flight characteristics that were resistant to stall departure and spin entry. The stall departure and spin resistance characteristics of the modified configuration were demonstrated in flight maneuvers that included idle-power stalls, full-power stalls, sideslip stalls, and accelerated stalls.
    Keywords: AIRCRAFT DESIGN, TESTING AND PERFORMANCE
    Type: Journal of Aircraft (ISSN 0021-8669); 29; 5, Se
    Format: text
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    NASA TECHNICAL REPORTS
  • 2
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    Wind-tunnel and flight tests of a delta-wing remotely piloted vehicle (1991)
    In:  Other Sources
    Details
    Publication Date: 2011-08-24
    Keywords: AIRCRAFT DESIGN, TESTING AND PERFORMANCE
    Type: Journal of Aircraft (ISSN 0021-8669); 28; 728-734
    Format: text
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    NASA TECHNICAL REPORTS
  • 3
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    Subsonic high-lift flight research on the NASA Transport System Research Vehicle (TSRV) (1992)
    In:  Other Sources
    Details
    Publication Date: 2019-06-28
    Description: Flight tests are being conducted as part of a multiphased subsonic transport high-lift research project for correlation with ground based wind tunnel and computational results. The NASA Langley TSRV 737-100 airplane is utilized to obtain flow characteristics at full-scale Reynolds numbers to contribute to the knowledge of several dominant high-lift flow issues such as boundary layer transition, confluent boundary layer development, and 3D flow separation. Recent test results obtained for a full-chord wing section including the slat, main-wing, and flap elements are presented.
    Keywords: AIRCRAFT DESIGN, TESTING AND PERFORMANCE
    Type: AIAA PAPER 92-4103 , In: AIAA Biennial Flight Test Conference, 6th, Hilton Head Island, SC, Aug. 24-26, 1992, Technical Papers (A93-11251 01-05); p. 229-246.
    Format: text
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    NASA TECHNICAL REPORTS
  • 4
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    Wind-tunnel and flight-test investigation of the exdrone remotely piloted vehicle configuration (1990)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: At the request of the United States Marine Corps, an exploratory wind-tunnel and flight test investigation was conducted by the NASA Langley Research Center to improve the stability, controllability, and general flight characteristics of the Marine Corps Exdrone RPV (Remotely Piloted Vehicle) configuration. Static wind tunnel tests were conducted to identify and improve the stability and control characteristics of the vehicle. The wind-tunnel test resulted in several configuration modifications which included increased elevator area, increased vertical tail area and moment arm, increased rudder area and aileron area, the addition of vertical wing-tip fins, and the addition of leading-edge droops on the outboard wing panel to improve the stall departure resistance. Flight tests of the modified configuration were conducted at the NASA Plum Tree Test Site to provide a qualitative evaluation of the flight characteristics of the modified configuration.
    Keywords: AIRCRAFT DESIGN, TESTING AND PERFORMANCE
    Type: AIAA PAPER 90-1261 , AIAA/SFTE/DGLR/SETP Biannual Flight Test Conference; May 22, 1990 - May 24, 1990; Ontario, CA; United States
    Format: text
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    NASA TECHNICAL REPORTS
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