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An improved approximate method for calculating lift distributions due to twist
Report presenting a method for calculating the lift distribution due to twist which gives a closer approximation than the current Schrenk empirical method and requires about the same amount of computing. The method uses the lifting-line theory and makes use of the lift distribution due to angle of attack and considers the aspect ratio of the wing. Examples are presented for four main types of twist: symmetrical, antisymmetrical, continuous, and discontinuous.
Date:
May 24, 1950
Creator:
Sivells, James C.
System:
The UNT Digital Library
Transonic Aerodynamic and Loads Characteristics of a 4-Percent-Thick Unswept-Wing--Fuselage Combination
Report presenting an investigation in the transonic tunnel to determine the basic aerodynamic and loading characteristics of an unswept-wing-fuselage combination with a wing of aspect ratio 4, taper ratio 0.5, and NACA 65A004 airfoil sections. Force, moment, and pressure measurements were obtained for a range of Mach numbers and angles of attack.
Date:
May 24, 1954
Creator:
Hieser, Gerald; Henderson, James H. & Swihart, John M.
System:
The UNT Digital Library
Flight Determination of the Buffeting Characteristics of the Bell X-5 Research Airplane at 58.7 Degrees Sweepback
Report presenting flight measurements of the buffeting characteristics of the Bell X-5 airplane at 58.7 degrees of sweepback at a range of Mach numbers and altitudes. Information about tail buffeting and wing buffeting at several angles of attack is provided. The pilot considered the buffeting to be unobjectionable throughout the entire test region.
Date:
May 24, 1954
Creator:
Briggs, Donald W.
System:
The UNT Digital Library
The Aerodynamic Characteristics of Two Series of Lifting Bodies at Mach Number 6.86
From Introduction: "This paper presents the results of an investigation conducted in the Langley 11-inch hypersonic tunnel to evaluate methods of increasing maximum lift-drag ratio."
Date:
May 24, 1954
Creator:
Ridyard, Herbert W.
System:
The UNT Digital Library