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Summary of Results of Tumbling Investigations Made in the Langley 20-Foot Free-Spinning Tunnel on 14 Dynamic Models
Report presenting the tumbling characteristics of dynamic models of 14 airplane designs in the free-spinning tunnel for various loadings and configurations. Conventional airplanes were not found to tumble, but tailless and tail-first airplanes might depending on the amount of static longitudinal stability. Results regarding the effect of dimensional and mass characteristics, effect of controls, use of parachutes as a tumble-recovery device, accelerations, and possibility of pilot escape are provided.
Date:
December 31, 1948
Creator:
Stone, Ralph W., Jr. & Bryant, Robert L.
System:
The UNT Digital Library
Effect of wing sweep, taper, and thickness ratio on the transonic drag characteristics of wing-body combinations
Report presenting the transonic drag characteristics of a series of wing-body combinations and their component parts using the free-fall method. The configurations examined had wings of various sweeps and thickness ratios mounted on identical bodies of fineness ratio 12.
Date:
December 31, 1948
Creator:
Thompson, Jim Rogers & Mathews, Charles W.
System:
The UNT Digital Library