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Effect of camber on the trimmed lift capability of a close-coupled canard-wing configurationA close-coupled canard-wing configuration was tested in the Langely high-speed 7 by 10 foot tunnel at a Mach number of 0.30 to determine the effect of changing wing camber on the trimmed lift capability. Trimmed lift coefficients of near 2.0 were attained; however, the data indicated that the highest buffet-free trimmed lift coefficient attainable was approximately 1.30. The buffet used in this investigation were qualitative in nature and gave no indication of buffet intensity. Thus, the trimmed lift coefficient of near 2.0 might be attainable if the buffet intensity was not too high. The data showed that there was approximately a 10 percent variation in drag coefficient, for different model configurations, at a given trimmed lift coefficient. Large increases in wing lift had only small effects on canard lift.
Document ID
19780020109
Acquisition Source
Legacy CDMS
Document Type
Technical Memorandum (TM)
Authors
Gloss, B. B. (NASA Langley Research Center Hampton, VA, United States)
Date Acquired
September 3, 2013
Publication Date
July 1, 1978
Subject Category
Aerodynamics
Report/Patent Number
NASA-TM-78686
L-12102
Accession Number
78N28052
Funding Number(s)
PROJECT: RTOP 505-11-23-13
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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