TRAIL - Technical Report Archive and Image Library

Hydrodynamic and aerodynamic tests of models of flying-boat hulls designed flow aerodynamic drag - NACA models 74, 74-A, and 75

The increase in frictional resistance caused by various types of rivet heads as determined by tests of planing surfaces

Tank Tests to Show the Effect Rivet Heads on the Water Performance of a Seaplane-Float

Some aspects of the stalling of modern low-lying monoplanes

Engine performance and knock rating of fuels for high-output aircraft engines

Tables of Stiffness and Carry-Over Factor for Structural Members Under Axial Load

Wind-Tunnel Tests of a 2-Engine Airplane Model as a Preliminary Study of Flight Conditions Arising on the Failure of the Engine

Tank Tests of Model 36 Flying Boat Hull

The N.A.C.A. Optical Engine Indicator

Gyroscopic Instruments for Instrument Flying

Free-spinning wind-tunnel tests of a low-wing monoplane with systematic changes in wings and tails 3: mass distributed along the wings

The drag of inflatable rubber de-icers

The effect of air-passage length on the optimum fin spacing for maximum cooling

Effect of spark-timing regularity on the knock of engine performance

Tank tests of a model of one hull of the Savoia S-55-X flying boat - N.A.C.A. Model 46

Improvement of aileron effectiveness by the prevention of air leakage through the hinge gap as determined in flight

A flight investigation of the reduction of aileron operating force by means of fixed tabs and differential linkage, with notes on linkage design

Hydrodynamic and aerodynamic tests of models of floats for single-float seaplanes NACA models 41-D, 41-E, 61-A, 73, and 73-A

The estimation of the rate of change of yawing moment with sideslip

Flight and wind-tunnel tests of an XBM-1 dive bomber

The effects of partial-span plain flaps on the aerodynamic characteristics of a rectangular and a tapered Clark Y wing

Spinning characteristics of wings 5: N.A.C.A. 0009, 23018, and 6718 monoplane wings

Principles involved in the cooling of a finned and baffled cylinder

A preliminary investigation of boundary-layer transition along a flat plate with adverse pressure gradient

Operational treatment of the nonuniform-lift theory in airplane dynamics

Wind-tunnel investigation of rectangular and tapered NACA 23012 wings with plain ailerons and full-span split flaps

Preliminary Full-Scale Wind-Tunnel Investigation of Wing Ducts for Radiators, Special Report

The Torsional and Bending Deflection of Full-Scale Duralumin Propeller Blades Under Normal Operating Conditions, Special Report

Static Longitudinal Stability and Longitudinal Control of Autogiro Rotors

Wind-Tunnel Investigation of Air Inlet and Outlet Openings for Aircraft, Special Report

Wind-Tunnel Investigation of an N.A.C.A. 23012 Airfoil with a Slotted Flap and Three Types of Auxiliary Flap

The Crinkling Strength and the Bending Strength of Round Aircraft Tubing

Approximate Stress Analysis of Multistringer Beams With Shear Deformation of the Flanges

Tensile Elastic Properties of 18:8 Chromium-Nickel Steel as Affected by Plastic Deformation

Pressure Distribution Over an NACA 23012 Airfoil With an NACA 23012 External-Airfoil Flap

The Compressibility Burble and the Effect of Compressibility on Pressures and Forces Acting on an Airfoil

Design of NACA Cowlings for Radial Air-Cooled Engines

The Pack Method for Compressive Tests of Thin Specimens of Materials Used in Thin-Wall Structures

The Effect of Compressibility on Eight Full-Scale Propellers Operating in the Take-Off and Climbing Range

Distribution of Temperatures Over an Airplane Wing With Reference to the Phenomena of Ice Formation

The Effective Width of Curved Sheet After Buckling

Flow in Smooth Straight Pipes at Velocities Above and Below Sound Velocity

Heat-Stressed Structural Components in Combustion-Engine Design

Twisting Failure of Centrally Loaded Open-Section Columns in the Elastic Range

The Twisting of Thin-Walled, Stiffened Circular Cylinders

Twisting of Thin Walled Columns Perfectly Restrained at One End

The Buckling of Curved Tension-Field Girders

Calculation of Load Distribution in Stiffened Cylindrical Shells

Wind-Tunnel Investigations on Flexural-Torsional Wing Flutter

Investigations on the Downwash Behind a Tapered Wing With Fuselage and Propeller

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