Aerodynamic Characteristics of a Four-propeller Tilt-wing VTOL Model with Twin Vertical Tails, Including Effects of Ground Proximity PDF Download
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Author: Kalman J. Grunwald
Publisher:
ISBN:
Category : Aerodynamic load
Languages : en
Pages : 142
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Book Description
Author: Kalman J. Grunwald
Publisher:
ISBN:
Category : Aerodynamic load
Languages : en
Pages : 142
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Book Description
Author: Kalman J. Grunwald
Publisher:
ISBN:
Category :
Languages : en
Pages : 1
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A wind-tunnel investigation was made of the aerodynamic stability, control, and performance characteristics of a model of a four-propeller tiltwing VTOL airplane employing flaps and speed brakes through the transition speed range. The wing was stalled for steady level flight for all conditions of the investigation; however, the flapped configuration did produce a higher maximum lift. The wing stall resulted in an appreciable reduction of aileron effectiveness during the transition. Out of ground effect the low horizontal tail did not appear to be in an adverse flow field as had been expected and showed no erratic changes in effectiveness; however, in ground effect a large nose-down moment was experienced by the model. It is concluded that the configuration is directionally stable and possesses positive dihedral effect throughout the transition, and the data show no signs of erratic flow at the vertical tails. (Author).
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 560
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Author: Kenneth W. Goodson
Publisher:
ISBN:
Category : Aerodynamics
Languages : en
Pages : 114
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Author: United States. Superintendent of Documents
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ISBN:
Category : United States
Languages : en
Pages : 1250
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Author:
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ISBN:
Category : Mechanics, Applied
Languages : en
Pages : 1096
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Author: United States. National Aeronautics and Space Administration
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ISBN:
Category :
Languages : en
Pages : 448
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Author: United States. National Aeronautics and Space Administration
Publisher:
ISBN:
Category :
Languages : en
Pages :
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Author:
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ISBN:
Category : Aeronautics
Languages : en
Pages : 450
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Author:
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ISBN:
Category : Government publications
Languages : en
Pages : 1878
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