Effect of Wing Modifications on the Longitudinal Stability of a Tailless All-wing Airplane Model PDF Download
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Author: Charles L. Seacord Publisher: ISBN: Category : Aerodynamics Languages : en Pages : 30
Book Description
Summary: An investigation of the power-off longitudinal stability characteristics of a tailless all-wing airplane model with various wing modifications has been made in the Langley free-flight tunnel. Force and tuft tests were made on the model in the original condition, with the wing tips rotated for washout, with rectangular and swept-forward tips, and with various slat arrangements. Flight tests were made with the original wing and with the original wing equipped with the most promising modifications. The results indicated that changes in tip plan form or rotation of the wing tips did not appreciably reduce the instability at high lift coefficients. Addition of wing slats, however, improved the longitudinal stability at the stall when the slat extended far enough inboard to cover the area that tended to stall first.
Author: Charles L. Seacord Publisher: ISBN: Category : Aerodynamics Languages : en Pages : 30
Book Description
Summary: An investigation of the power-off longitudinal stability characteristics of a tailless all-wing airplane model with various wing modifications has been made in the Langley free-flight tunnel. Force and tuft tests were made on the model in the original condition, with the wing tips rotated for washout, with rectangular and swept-forward tips, and with various slat arrangements. Flight tests were made with the original wing and with the original wing equipped with the most promising modifications. The results indicated that changes in tip plan form or rotation of the wing tips did not appreciably reduce the instability at high lift coefficients. Addition of wing slats, however, improved the longitudinal stability at the stall when the slat extended far enough inboard to cover the area that tended to stall first.
Author: Langley Aeronautical Laboratory Publisher: Hassell Street Press ISBN: 9781014076663 Category : Languages : en Pages : 30
Book Description
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Author: E. Barton Bell Publisher: ISBN: Category : Aeronautics Languages : en Pages : 558
Book Description
Flight tests have been conducted to determine the cooling characteristics of a two-row radial engine at altitude in a twin-engine airplane and to investigate the accuracy with which low-altitude cooling-correlation equations can be used for making cooling predictions at higher altitudes. The test engine was operated over a wide range of condtions in level flight at density altitudes of 5000 and 20,000 feet.
Author: Charles L. Seacord
Author: Charles L. Seacord
Author: Langley Aeronautical Laboratory
Author: United States. National Advisory Committee for Aeronautics
Author: United States. National Advisory Committee for Aeronautics
Author: 
Author: United States. National Advisory Committee for Aeronautics
Author: E. Barton Bell
Author: United States. National Advisory Committee for Aeronautics
Author: 
Author: