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Further Investigation of Preheating and Postheating in Spot-Welding 0.040-Inch Alclad 24S-T

Charts for the Minimum-Weight Design of Multiweb Wings in Bending

Column and Plate Compressive Strengths of Aircraft Structural Materials: Extruded 0-1HTA Magnesium Alloy

Collection and Analysis of Hinge-Moment Data on Control-Surface Tabs

A Comparison of the Lateral Motion Calculated for Tailless and Conventional Airplanes

Compressive-Strength Comparisons of Panels Having Aluminum-Alloy Sheet and Stiffeners With Panels Having Magnesium-Alloy Sheet and Aluminum Alloy Stiffeners

Measurements of the Pressure Distribution on the Horizontal Tail Surface of a Typical Propeller-Driven Pursuit Airplane in Flight 2: The Effect of Angle of Sideslip and Propeller Operation

Measurements of the Pressure Distribution on the Horizontal-Tail Surface of a Typical Propeller-Driven Pursuit Airplane in Flight 1: Effects of Compressibility in Steady Straight and Accelerated Flight

Flight Measurements of Internal Cockpit Pressures in Several Fighter-Type Airplanes

The Local Buckling Strength of Lipped Z-Columns With Small Lip Width

Application of the Analogy Between Water Flow With a Free Surface and Two-Dimensional Compressible Gas Flow

The One-Dimensional Theory of Steady Compressible Fluid Flow in Ducts With Friction and Heat Addition

High-Speed Wind-Tunnel Tests of an NACA 16-009 Airfoil Having a 32.9-Percent-Chord Flap With an Overhang 20.7 Percent of the Flap Chord

An Investigation of a Thermal Ice-Prevention System for a Cargo Airplane 8: Metallurgical Examination of the Wing Leading-Edge Structure After 225 Hours of Flight Operation of the Thermal System

Effect of Variables in Welding Technique on the Strength of Direct-Current Metal-Arc-Welded Joints in Aircraft Steel 1 - Static Tension and Bending Fatigue Tests of Joints in SAE 4130 Steel Sheet

Free-Falls and Parachute Descents in the Standard Atmosphere

Hinge-moment characteristics of balanced elevator and rudder for a specific tail configuration on a fuselage in spinning attitudes

Full-scale investigation of the aerodynamic characteristics of a typical single-rotor helicopter in forward flight

Effect of brake forming in various tempers on the strength of Alclad 75S-T aluminum-alloy sheet

Effect of blade stalling on the efficiency of a helicopter rotor as measured in flight

Comparison of sound emission from two-blade, four-blade, and seven-blade propellers

Comparison of the control-force characteristics of two types of lateral-control system for large airplanes

Design charts for flat compression panels having longitudinal extruded Y-section stiffeners and comparison with panels having formed Z-section stiffeners

Estimation of control forces of spring-tab ailerons from wind-tunnel data

Effect of spoiler-type lateral-control devices on the twisting moments of NACA 230-Series airfoil sections

Effect of the tunnel-wall boundary layer on test results of a wing protruding from a tunnel wall

Tests of the NACA 64(SUB 1)A212 airfoil section with a slat, a double slotted flap, and boundary-layer control by suction

A transonic propeller of triangular plan form

Tests to determine the effect of heat on the pressure drop through radiator tubes

Theoretical motions of hydrofoil systems

Tank investigation of a powered dynamic model of a large long-range flying boat - Langley tank model 180

Summary of lateral-control research

Two-dimensional wind-tunnel investigation of a 10.7-percent-thick symmetrical tail section with a 0.40 airfoil-chord control surface and a 0.20 control-surface-chord tab

Theoretical and experimental data for a number of NACA 6A-series airfoil sections

Theory of ground vibrations of a two-blade helicopter rotor on anisotropic flexible supports

Compressive strength of 24S-T aluminum-alloy flat panels with longitudinal formed hat-section stiffeners having a ratio of stiffener thickness to skin thickness equal to 1.00

Comparison between the measured and theoretical span loadings on a moderately swept-forward and a moderately swept-back semispan wing

Comparison of design specifications with the actual static transverse stability of 25 seaplanes

Charts for determining the characteristics of sharp-nose airfoils in two-dimensional flow at supersonic speeds

Collection and analysis of wind-tunnel data on the characteristics of isolated tail surfaces with and without end plates

A comparison of flight test results on a scout-bomber airplane with 4.7 degree and with 10 degree geometric dihedral in the wing outer panels

Investigation at low speed of the longitudinal stability characteristics of a 60 degree swept-back tapered low-drag wing

Investigation of a Spoiler-Type Lateral Control System on a Wing with Full-Span Flaps in the Langley 19-Foot Pressure Tunnel

An investigation of effects of reversed-type longitudinal steps on resistance and spray characteristics of a flying-boat hull

Low-speed tests of five NACA 66-series airfoils having mean lines designed to give high critical Mach numbers

Effect of rivet or bolt holes on the ultimate strength developed by 24S-T and Alclad 75S-T sheet in incomplete diagonal tension

Experimental and calculated characteristics of several NACA 44-series wings with aspect ratios of 8, 10, and 12 and taper ratios of 2.5 and 3.5

Calculations of the supersonic wave drag of nonlifting wings with arbitrary sweepback and aspect ratio : wings swept behind the Mach lines

A flight investigation to increase the safety of a light airplane

Flight tests of an airplane model with 42 degree swetpback wing in the Langley free-flight tunnel


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