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HiMAT structural development design methodologyIn order to improve aerodynamic performance, a twist criterion was used to design the canard and wing lifting surfaces of two graphite-epoxy research aircraft. To meet that twist criterion, the lifting surfaces were tailored using graphite-epoxy tape. The outer surface of the aircraft is essentially constructed of 95 percent graphite epoxy materials. The analytical tools and methodology used to design those lifting surfaces are described. One aircraft was subjected to an 8g ground test in order to verify structural integrity and to determine how well the desired twist was achieved. Test results are presented and the reductions of both flight and ground strain test gages and their associated stresses are discussed.
Document ID
19790024026
Acquisition Source
Legacy CDMS
Document Type
Contractor Report (CR)
Authors
Price, M. A. (Rockwell International Corp. Los Angeles, CA, United States)
Date Acquired
August 9, 2013
Publication Date
October 1, 1979
Subject Category
Aircraft Design, Testing And Performance
Report/Patent Number
NASA-CR-144886
Accession Number
79N32197
Funding Number(s)
CONTRACT_GRANT: NAS4-25600
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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