NASA-TN-D-7411
Free-flight investigation of the stability and control characteristics of a STOL model with an externally blown jet flap
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Abstract:
The stability and control characteristics of a four-engine turbofan STOL transport model having an externally blown jet flap have been investigated by means of the flying-model technique in the Langley full-scale tunnel. The flight characteristics of the model were investigated under conditions of symmetric and asymmetric (one engine inoperative) thrust at lift coefficients up to 9.5 and 5.5, respectively. Static characteristics were studied by conventional power-on force tests over the flight-test angle-of-attack range including the stall. In addition to these tests, dynamic longitudinal and lateral stability calculations were performed for comparison with the flight-test results and for use in correlating the model results with STOL handling-qualities criteria.
Author(s):
L.P. Parlett; S.J. Emerling; A.E. Phelps III
Indexed under:
- None
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