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Lateral-directional aerodynamic characteristics of light, twin-engine, propeller driven airplanesAnalytical procedures and design data for predicting the lateral-directional static and dynamic stability and control characteristics of light, twin engine, propeller driven airplanes for propeller-off and power-on conditions are reported. Although the consideration of power effects is limited to twin engine airplanes, the propeller-off considerations are applicable to single engine airplanes as well. The procedures are applied to a twin engine, propeller driven, semi-low-wing airplane in the clean configuration through the linear lift range. The calculated derivative characteristics are compared with wind tunnel and flight data. Included in the calculated characteristics are the spiral mode, roll mode, and Dutch roll mode over the speed range of the airplane.
Document ID
19730002289
Document Type
Other - NASA Technical Note (TN)
Authors
Wolowicz, C. H. (NASA Flight Research Center Edwards, CA, United States)
Yancey, R. B. (NASA Flight Research Center Edwards, CA, United States)
Date Acquired
September 2, 2013
Publication Date
October 1, 1972
Subject Category
AIRCRAFT
Report/Patent Number
H-694
NASA-TN-D-6946
Funding Number(s)
PROJECT: RTOP 760-71-03-00-24
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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