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Wind tunnel investigation of a large-scale model of a lift/cruise fan V/STOL aircraft

B. J. Gambucci, K. Aoyagi, Linda Rolls

Abstract

An investigation was conducted in the Ames 40- by 80-Foot wind tunnel to determine the aerodynamic characteristics of a large scale model of a lift/cruise fan V/STOL aircraft. The model was equipped with three fans, one mounted in the forward section of the fuselage in a lift mode, and two mounted on top of the wing adjacent to the fuselage in a lift/cruise mode. The data that were obtained include longitudinal and lateral-directional characteristics of the model, with the horizontal tail on and off, for both the Powered lift and cruise configurations. Powered lift data were obtained at several wind tunnel velocities and at several lift/cruise fan thrust vector angles by varying the position of the hooded deflectors from 0 deg. (the cruise condition) to 90 deg.

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Key concepts: Cruise, Fuselage, Wind tunnel, Lift (data mining), Aerodynamics, Marine engineering, Thrust, Scale model