Spin-Tunnel Investigation of a 1/28-Scale Model of a Subsonic Attack Airplane

Spin-Tunnel Investigation of a 1/28-Scale Model of a Subsonic Attack Airplane

Date: July 1, 1964
Creator: Lee, Henry A.
Description: An investigation has been made of a 1/28-scale model of the Grumman A-6A airplane in the Langley spin tunnel. The erect spin and recovery characteristics of the model were determined for the flight design gross weight loading and for a loading with full internal fuel and empty external wing fuel tanks. The effects of extending slats and deflecting flaps were investigated. Inverted-spin and recovery characteristics of the model were determined for the flight design gross weight loading. The size of the spin-recovery tail parachute necessary to insure satisfactory spin-recovery was determined, and the effect of firing wing-mounded rockets during spins was investigated.
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