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Investigation of the Spin and Recovery Characteristics of a 0.057-Scale Model of the Modified Chance Vought XF7U-1 Airplane. TED No. NACA DE 311An investigation has been conducted in the Langley 20-foot free-spinning tunnel to determine the spin and recovery characteristics of a 0.057-scale model of the modified Chance Vought XF7U-1 airplane. The primary change in the design from that previously tested was a revision of the twin vertical tails. Tests were also made to determine the effect of installation of external wing tanks. The results indicated that the revision in the vertical tails did not greatly alter the spin and recovery characteristics of the model and recovery by normal use of controls (fill rapid rudder reversal followed approximately one-half turn later by movement of the stick forward of neutral) was satisfactory. Adding the external wing tanks to cause the recovery characteristics to become critical and border on an unsatisfactory condition; however, it was shown that satisfactory recovery could be obtained by jettisoning the tanks, followed by normal recovery technique.
Document ID
20050080688
Acquisition Source
Langley Research Center
Document Type
Other - NACA Research Memorandum
Authors
Berman, Theodore (National Advisory Committee for Aeronautics. Langley Aeronautical Lab. Langley Field, VA, United States)
Pumphrey, Norman E. (National Advisory Committee for Aeronautics. Langley Aeronautical Lab. Langley Field, VA, United States)
Date Acquired
August 22, 2013
Publication Date
May 29, 1950
Subject Category
Aircraft Design, Testing And Performance
Report/Patent Number
NACA-RM-SL50F02
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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