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High-Alpha Flight Dynamics Research on the X-29 Configuration Using Dynamic Model Test Techniques
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Abstract
High-angle-of-attack flight dynamics of the X-29 configuration were studied using dynamic model test techniques. These tests identified phenomena including wing rock, spins, and tumbling which dominate the high-α behavior of the configuration and define its usable flight envelope. Results of these tests have been used to design flight control concepts to minimize adverse behavior. Planned high-angle-of-attack flight tests of the X-29 airplane will provide an opportunity to validate the model predictions.
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Authors
- Mark A. Croom - NASA Langley Research Center, Hampton, VA
- Raymond D. Whipple - NASA Langley Research Center, Hampton, VA
- Daniel G. Murri - NASA Langley Research Center, Hampton, VA
- Sue B. Grafton - NASA Langley Research Center, Hampton, VA
- David J. Fratello - NASA Langley Research Center, Hampton, VA
Citation
Croom, M., Whipple, R., Murri, D., Grafton, S. et al., "High-Alpha Flight Dynamics Research on the X-29 Configuration Using Dynamic Model Test Techniques," SAE Technical Paper 881420, 1988, https://doi.org/10.4271/881420.Also In
References
- Chambers, Joseph R. Use of Dynamically Scaled Models for Studies of the High-Angle-of-Attack Behavior of Airplanes Presented at International Symposium on Scale Modeling Tokyo, Japan July 1988
- Scherbert, M. Rhode, R. V. Mass Distribution and Performance of Free-Flight Models NACA TN 268 1927
- Fratello, D, J. Croom, M. A. Nguyen, L. T. Domack, C. S. Use of the Updated NASA Langley Radio-Controlled Drop-Model Technique for High-Alpha Studies of the X-29 Configuration AIAA Paper 87-2559 August 1987
- Grafton, Sue B. Gilbert, William P. Croom, Mark A. Murri, Daniel G. High-Angle-of-Attack Characteristics of a Forward-Swept Wing Fighter Configuration AIAA 82-1322 August 1982
- Murri, D. G. Nguyen, L. T. Grafton, S. B. Wind-Tunnel Free-Flight Investigation of a Model of a Forward-Swept-Wing Fighter Configuration NASA TP-2230 February 1984
- Brandon, J. M. Nguyen, L. T. Experimental Study of Effects of Forebody Geometry on High-Angle-of-Attack Static and Dynamic Stability AIAA-86-0331 January 1986
- Manoeuver Limitations of Combat Aircraft. AGARD AR-155A August 1979
- Stone, R. W. Jr., Bryant, R. L. Summary of Results of Tumbling Investigations Made in the Langley 20-Foot Free-Spinning Tunnel on 14 Dynamic Models NACA RM L8J28 December 1948