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Preliminary Results of the 1.5% TCA (Modular) Controls Model in the NASA Langley UPWTTo summarize the significant highlights in this report: (1) Data quality, determined by multiple repeat runs performed on the TCA baseline configuration, and long-term repeatability, determined by comparing baseline Reference H data from this test to a previous test, have been shown to be good. (2) The longitudinal stability of the TCA is more non-linear than for the Reference H, and while it is similar at normal lift values, the TCA has considerably more pitch-up at higher lift. (3) Longitudinal control effectiveness of the TCA is similar to the Reference H and the ratio of elevator effectiveness to horizontal tail effectiveness is approximately 0.3. (4) The directional stability of the TCA is improved relative to Reference H at higher angles-of attack. The chine is effective for improving directional stability.
Document ID
20000058106
Document Type
Conference Paper
Authors
Kubiatko, Paul
(McDonnell-Douglas Aerospace Long Beach, CA United States)
McMillin, Naomi
(NASA Langley Research Center Hampton, VA United States)
Cameron, Douglas C.
(McDonnell-Douglas Aerospace Long Beach, CA United States)
Date Acquired
August 19, 2013
Publication Date
December 1, 1999
Publication Information
Publication: 1997 NASA High-Speed Research Program Aerodynamic Performance Workshop
Volume: 1
Issue: Part 1
Subject Category
Aerodynamics
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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