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1977•Journal of AircraftRequires access

Effects of Wing Bend on the Aerodynamic Characteristics of a Low-Aspect-Ratio Oblique Wing

Edward J. Hopkins

Open publisher page 4 citations

Abstract

Static longitudinal and lateral/directional force and moment results are presented for an elliptical oblique wing (aspect ratio 6) mounted on top of a body of revolution. The wing was tested at various sweep angles ranging from 0 to 60 deg throughout a Mach-number range of 0.6 to 1.4. Increasing the upward bend along the wing span resulted in no significant improvement in the linearity of the moment curves, but required an impractical wing pivot location to eliminate the rolling moments at low lift. Linear theory gave satisfactory predictions of the lift and moment-curve slopes at low lift.

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What this paper is about

Static longitudinal and lateral/directional force and moment results are presented for an elliptical oblique wing (aspect ratio 6) mounted on top of a body of revolution. The wing was tested at various sweep angles ranging from 0 to 60 deg throughout a Mach-number range of 0.6 to 1.4. Increasing the upward bend along the wing span resulted in no significant improvement in the linearity of the moment curves, but required an impractical wing pivot location to eliminate the rolling moments at low lift. Linear theory gave satisfactory predictions of the lift and moment-curve slopes at low lift.

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Available abstract

Static longitudinal and lateral/directional force and moment results are presented for an elliptical oblique wing (aspect ratio 6) mounted on top of a body of revolution. The wing was tested at various sweep angles ranging from 0 to 60 deg throughout a Mach-number range of 0.6 to 1.4. Increasing the upward bend along the wing span resulted in no significant improvement in the linearity of the moment curves, but required an impractical wing pivot location to eliminate the rolling moments at low lift. Linear theory gave satisfactory predictions of the lift and moment-curve slopes at low lift.

Key concepts: Wing, Aerodynamics, Wing loading, Aspect ratio (aeronautics), Wing twist, Oblique case, Wing configuration, Swept wing

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Effects of Wing Bend on the Aerodynamic Characteristics of a Low-Aspect-Ratio Oblique Wing — Research Paper | ScholarLens