Search
Search U.S. government technical reports digitized or harvested by TRAIL.
Keyword Search
14045 results returnedSearch results
- Theoretical Investigation of Methods for Computing Drag From Wake Surveys at High Subsonic Speeds
- Use of Variable-Ratio Geared Tabs to Improve Stick-Force Characteristics in Turning Flight
- Variation of Hydrodynamic Impact Loads With Flight-Path Angle for a Prismatic Float at 3 Degree Trim and With a 22 1/2 Degree Angle of Dead Rise
- Wind-Tunnel Investigation of a Rectangular NACA 2212 Airfoil with Semispan Ailerons and with Nonperforated, Balanced Double Split Flaps for Use as Aerodynamic Brakes
- Wind-Tunnel Investigation of Alternative Propellers Operating Behind Deflected Wing Flaps for the XB-36 Airplane
- Wind-Tunnel Investigation of Control-Surface Characteristics 21: Medium and Large Aerodynamic Balances of Two Nose Shapes and a Plain Overhang Used With a 0.40-Airfoil-Chord Flap on an NACA 0009 Airfoil
- Wind-Tunnel Investigation of Control-Surface Characteristics 22: Medium and Large Aerodynamic Balances of Two Nose Shapes and a Plain Overhang Used With a 0.20-Airfoil-Chord Flap on an NACA 0009 Airfoil
- Spin Tests of a 0.059-Scale Model of the Curtiss-Wright XP-55 Airplane
- XC-35 Gust Research Project Characteristics of Vertical Drafts and Associated Vertical Gust Velocities Within Convective Type Clouds
- Numerical Evaluation of the Wake-Survey Equations for Subsonic Flow Including the Effect of Energy Addition
- A Cooling Correlation Equation for a Double-Row Radial Engine Based on the Temperature of the Exhaust-Valve Seat
- The Effect of Inlet Pressure and Temperature on the Efficiency of a Single Stage Impulse Turbine Having an 11.0-Inch Pitch-Line Diameter Wheel
- Wind-Tunnel Tests of a Dual-Rotating Propeller Having One Component Locked or Windmilling
- Wind-Tunnel Tests of the 0.15-Scale Powered Model of the Fleetwings XBTK-1 Airplane: Longitudinal Stability and Control
- Wind-Tunnel Tests of the 0.15-Scale Powered Model of the Fleetwing XBTK-1 Airplane: Lateral Stability and Control
- Wind-Tunnel Investigation of Effects of a Pusher Propeller on Lift, Profile Drag, Pressure Distribution, and Boundary-Layer Transition of a Flapped Wing
- Wind-Tunnel Tests of a 1/5-Scale Semispan Model of the Republic XF-12 Horizontal Tail Surface
- Wind-Tunnel Tests of a 1/6-Scale Model of Republic XF-12 Vertical Tail Incorporating a De-Icing Air Duct
- Tests of a 1/14-Scale Powered Model of the XB-36 Airplane in the Langley 19-Foot Pressure Tunnel 1: Stalling Characteristics and Aileron Effectiveness of Several Wing and Flap Arrangements
- Tests of Four Full-Scale Propellers to Determine the Effect of Trailing-Edge Extensions on Propeller Aerodynamic Characteristics
- Tests of Improvements in Exhaust-Valve Performance Resulting From Changes in Exhaust-Valve and Port Design
- Tests of a Linked Differential Flap System Designed to Minimize the Reduction in Effective Dihedral Caused by Power
- Tests of Air Valves for Intermittent-Jet Engines at Speeds of 20 and 25 Cycles Per Second
- Tests of an Adjustable-Area Exhaust Nozzle for Jet-Propulsion Engines
- Tests of an Attack-Type Airplane in the Ames 40- by 80-Foot Wind Tunnel to Improve the High-Speed Maneuvering Control-Force Characteristics
- Thermodynamic Data for the Computation of the Performance of Exhaust-Gas Turbines
- Numerical Evaluation by Harmonic Analysis of the (Epsilon)-Function of the Theodorsen Arbitrary-Airfoil Potential Theory
- New Method of Determining the Polar Curve of an Airplane in Flight
- An Experimental Investigation of the Effect of Propellers Used as Aerodynamic Brakes on Stability and Control
- Flight Tests of the Lateral Control Characteristics of an F6F-3 Airplane Equipped with Spring-Tab Ailerons
- Correlation of Engine-Cooling Data
- Effect of Internal Coolants on the Knock-Limited Performance of a Liquid-Cooled Multicylinder Aircraft Engine With a Compression Ratio of 6.0
- The Effect of Some Design Parameters on Ditching Characteristics
- Effect of the Lift Coefficient on Propeller Flutter
- Effect of Maximum Cruise-Power Operation at Ultra-Lean Mixture and Increased Spark Advance on the Mechanical Condition of Cylinder Components
- Effect of Mach and Reynolds Numbers on the Maximum Lift Coefficient Obtainable in Gradual and Abrupt Stalls of a Pursuit Airplane Equipped With a Low-Drag Wing
- The Effect of Mach Number on the Aerodynamic Characteristics of a Single-Engine Pursuit Airplane as Determined From Tests of a 1/3-Scale Model
- Effect of Variation in Diameter and Pitch of Rivets on Compressive Strength of Panels With Z-Section Stiffeners 1 - Panels With Close Stiffener Spacing That Fail by Local Buckling
- Effect of Water-Alcohol Injection and Maximum Economy Spark Advance on Knock-Limited Performance and Fuel Economy of a Large Air-Cooled Cylinder
- The Effect of Carburetor-Air Temperature on the Cooling Characteristics of a Typical Air-Cooled Engine Cylinder
- An Estimate of the Effect of Engine Supercharging on the Take-Off Thrust of a Typical Helicopter at Different Altitudes and Temperatures
- Estimation of F-3 and F-4 Knock-Limited Performance Ratings for Ternary and Quaternary Blends Containing Triptane or Other High-Antiknock Aviation-Fuel Blending Agents
- Elimination of Galling of Pendulum-Vibration Dampers Used in Aircraft Engines
- Endurance Tests of a 22-Inch-Diameter Pulse-Jet Engine With a Neoprene-Coated Valve Grid
- Effects of Wing and Nacelle Modifications on Drag and Wake Characteristics of a Bomber-Type Airplane Model
- Estimation of the Performance and Longitudinal Stability and Control of a Lifting-Body Type of Cargo Airplane From Tests of Simplified Models
- Evaluation of the Induced-Velocity Field of an Idealized Helicopter Rotor
- Effect of Increasing the Size of the Valve-Guide Boss on the Exhaust-Valve Temperature and the Volumetric Efficiency of an Aircraft Cylinder
- Effect of NACA Injection Impeller and Ducted Head Baffles on Flight Cooling Performance of Double-Row Radial Engine in Four-Engine Heavy Bomber
- The Effect of Modified Baffles and Auxiliary-Cooling Ducts on the Cooling of a Double-Row Radial Engine
