Subsonic Transonic And Supersonic Aerodynamic Characteristics Of A Modified Arrow Wing Transport Airplane Configuration
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Transonic Aerodynamic Characteristics of a Tailless Fixed-wing Supersonic Transport Model
Author | : Edward J. Ray |
Publisher | : |
Total Pages | : 84 |
Release | : 1966 |
Genre | : Aerodynamics, Transonic |
ISBN | : |
A Piloted Fixed-base Simulator Study of Low-speed Flight Characteristics of an Arrow-wing Supersonic Transport Design
Author | : William D. Grantham |
Publisher | : |
Total Pages | : 42 |
Release | : 1968 |
Genre | : Airplanes |
ISBN | : |
Aerodynamic Characteristics of a Tailless Fixed-wing Supersonic Transport Configuration at Mach Number 2.20
Author | : Gerald V. Foster |
Publisher | : |
Total Pages | : 54 |
Release | : 1964 |
Genre | : Airplanes, Tailless |
ISBN | : |
Low Subsonic Flight and Force Investigation of a Supersonic Transport Model with a Highly Swept Arrow Wing
Author | : Delma C. Freeman |
Publisher | : |
Total Pages | : 62 |
Release | : 1967 |
Genre | : Aerodynamics, Supersonic |
ISBN | : |
Transonic Aerodynamic Characteristics of a Tailless Fixed-wing Supersonic Transport Model
Author | : Edward J. Ray |
Publisher | : |
Total Pages | : 84 |
Release | : 1966 |
Genre | : Aerodynamics, Transonic |
ISBN | : |
Supersonic Aerodynamic Characteristics of a Low-Drag Aircraft Configuration Having an Arrow Wing of Aspect Ratio 1.86 and a Body of Fineness Ratio 20
Author | : |
Publisher | : |
Total Pages | : 80 |
Release | : 1960 |
Genre | : Aerodynamics, Supersonic |
ISBN | : |
A free-flight rocket-propelled-model investigation was conducted at Mach numbers of 1.2 to 1.9 to determine the longitudinal and lateral aero-dynamic characteristics of a low-drag aircraft configuration. The model consisted of an aspect-ratio -1.86 arrow wing with 67.5 deg. leading-edge sweep and NACA 65A004 airfoil section and a triangular vertical tail with 60 deg. sweep and NACA 65A003 section in combination with a body of fineness ratio 20. Aerodynamic data in pitch, yaw, and roll were obtained from transient motions induced by small pulse rockets firing at intervals in the pitch and yaw directions. From the results of this brief aerodynamic investigation, it is observed that very slender body shapes can provide increased volumetric capacity with little or no increase in zero-lift drag and that body fineness ratios of the order of 20 should be considered in the design of long-range supersonic aircraft. The zero-lift drag and the drag-due-to-lift parameter of the test configuration varied linearly with Mach number. The maximum lift-drag ratio was 7.0 at a Mach number of 1.25 and decreased slightly to a value of 6.6 at a Mach number of 1.81. The optimum lift coefficient, normal-force-curve slope, lateral-force-curve slope, static stability in pitch and yaw, time to damp to one-half amplitude in pitch and yaw, the sum of the rotary damping derivatives in pitch and also in yaw, and the static rolling derivatives all decreased with an increase in Mach number. Values of certain rolling derivatives were obtained by application of the least-squares method to the differential equation of rolling motion. A comparison of the experimental and calculated total rolling-moment-coefficient variation during transient oscillations of the model indicated good agreement when the damping-in-roll contribution was included with the static rolling-moment terms.
Transonic Aerodynamic Characteristics of a Tailless Fixed-wing Supersonic Transport Model
Author | : Edward J. Ray |
Publisher | : |
Total Pages | : 84 |
Release | : 1966 |
Genre | : Aerodynamics, Transonic |
ISBN | : |