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Model flight tests of a spin-resistant trainer configurationPowered, 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.
Document ID
19920073534
Acquisition Source
Legacy CDMS
Document Type
Reprint (Version printed in journal)
Authors
Yip, Long P.
(NASA Langley Research Center Hampton, VA, United States)
Ross, Holly M.
(NASA Langley Research Center Hampton, VA, United States)
Robelen, David B.
(NASA Langley Research Center Hampton, VA, United States)
Date Acquired
August 15, 2013
Publication Date
October 1, 1992
Publication Information
Publication: Journal of Aircraft
Volume: 29
Issue: 5, Se
ISSN: 0021-8669
Subject Category
Aircraft Design, Testing And Performance
Accession Number
92A56158
Distribution Limits
Public
Copyright
Other

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