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MR #Also released as
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NACA-MR-3F12WR-A-66Wind-Tunnel Investigation of Devices for Improving the Diving Characteristics of Airplanes
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NACA-MR-E5I27aWR-E-268Effect of Maximum Cruise-Power Operation at Ultra-Lean Mixture and Increased Spark Advance on the Mechanical Condition of Cylinder Components
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NACA-MR-A4K04WR-A-78Flying qualities of a high-speed bomber with a dual pusher propeller aft of the empennage as estimated from wind-tunnel tests of a 1/8-scale powered model
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NACA-MR-A4L11WR-A-3Tests of a thermal ice-prevention system for a wing leading-edge landing-light installation
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NACA-MR-A4L14Power-off tests of the Northrop N9M-2 tailless airplane in the 40- by 80-foot wind tunnel
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NACA-MR-A4L18WR-A-83High-speed wind-tunnel tests of semispan horizontal tails with fabric-covered and metal-covered elevators for a bomber airplane
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NACA-MR-A4L28WR-A-80Wind Tunnel Investigation of the Effects of Slot Shape and Flap Location on the Characteristics of a Low-Drag Airfoil Equipped with a 0.25-Chord Slotted Flap
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NACA-MR-A5C10WR-A-1Investigation of slipstream effects on a wing-inlet oil-cooler ducting system of a twin-engine airplane in the Ames 40- by 80-foot wind tunnel
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NACA-MR-A5D04WR-A-86Correlation of wind-tunnel predictions with flight tests of a twin-engine airplane I : longitudinal-stability and -control characteristics
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NACA-MR-A5E03WR-A-76The effect of Mach number on the aerodynamic characteristics of a single-engine pursuit airplane as determined from tests of a 1/3-scale model
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NACA-MR-A5E23An Experimental Investigation of NACA Submerged-Duct Entrances
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NACA-MR-A5F18WR-A-74The effect of the skis on the power-off stability characteristics of a twin-engine cargo airplane
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NACA-MR-A5G06WR-A-5Effect 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
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NACA-MR-A5G23WR-A-92Wind-tunnel investigation of the effects of spoilers on the characteristics of a low-drag airfoil equipped with a 0.25-chord slotted flap
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NACA-MR-A5H23WR-A-30Effect on the performance of a turbosupercharged engine of an exhast-gas-to-air heat exchanger for thermal ice-prevention
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NACA-MR-A5H30WR-A-71Correlation of wind-tunnel predictions with flight tests of a twin-engine patrol airplane II : lateral- and directional-stability and control characteristics
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NACA-MR-A5J12WR-A-89Aerodynamic characteristics of a 1/8-scale powered model of a high-speed bomber with a dual pusher propeller aft of the empennage
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NACA-MR-A5J19aWR-A-4A Flight Investigation of the Ice-Prevention Requirements of the United States Naval K-Type Airship
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NACA-MR-A5K16WR-A-2Tests of an attack-type airplane in the Ames 40- by 80-foot wind tunnel to improve the high-speed maneuvering control-force characteristics
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NACA-MR-A5L07WR-A-72The high-speed characteristics of several flaps and spoilers on the upper surface of the horizontal stabilizer of a model of a radial-engine pursuit airplane
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NACA-MR-A6A09WR-A-85Tests of the jet-motor air-intake duct system on a 1/4-scale stub-wing model of a pursuit-type airplane
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NACA-MR-A6D03WR-A-75High-speed wind-tunnel tests of a twin-fuselage pursuit airplane
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NACA-MR-A6E29High-speed wind-tunnel tests of a model of the consolidated vultee xp081 airplane
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NACA-MR-E4J10WR-E-245The effect of compression ratio on knock limits of high-performance fuels in a CFR engine I : blends of triptane and 28-R fuel
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NACA-MR-E4K13aWR-E-28Single-cylinder engine tests of porous chrome-plated cylinder barrels with special bore coatings for radial air-cooled engines
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NACA-MR-E4K17WR-E-164The low-temperature solubility of 24 aromatic amines in aviation gasoline
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NACA-MR-E4K27WR-E-246F-3 and F-4 engine tests of several high-antiknock components of aviation fuel
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NACA-MR-E4L19WR-E-185Analysis and correlation of data obtained by six laboratories on fuel-vapor loss from fuel tanks during simulated flight
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NACA-MR-E4L20WR-E-247Flight and test-stand investigation of high-performance fuels in double-row radial air-cooled engines I : determination of cooling characteristics of flight engine
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NACA-MR-E4L21WR-E-152Knock-limited performance of blends of AN-F-28 fuel containing 2 percent aromatic amines IV
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NACA-MR-E4L28WR-E-186Flight variables affecting fuel-vapor loss from a fuel tank
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NACA-MR-E4L30WR-E-248Flight and test-stand investigation of high-performance fuels in double-row radial air-cooled engines II : flight knock data and comparison of fuel knock limits with engine cooling limits in flight
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NACA-MR-E5A05WR-E-188The influence of exhaust pressure on knock-limited performance
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NACA-MR-E5A10WR-E-249The Effect of Compression Ratio on Knock Limits of High-Performance Fuels in a CFR Engine II : Blends of 2,2,3-Trimethylpentane with 28-R
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NACA-MR-E5A29WR-E-250Estimation 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
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NACA-MR-E5B03WR-E-251Knock-limited blending characteristics of benzene, toluene, mixed xylenes, and cumene in an air-cooled cylinder
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NACA-MR-E5B10WR-E-252The effect of compression ratio on knock limits of high-performance fuels in a CFR engine III : blends of 2,3-dimethylpentane with 28-R
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NACA-MR-E5B23WR-E-253Flight and test-stand investigation of high-performance fuels in Pratt and Whitney R-1830-90C engines. III - Comparison of cooling characteristics of flight and test-stand engines
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NACA-MR-E5B27WR-E-254Cooling of a double-row radial engine by water injection to the individual cylinders
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NACA-MR-E5B28WR-E-96Rubber conductors for aircraft ignition cables
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NACA-MR-E5C20WR-E-255The effect of modified baffles and auxiliary-cooling ducts on the cooling of a double-row radial engine
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NACA-MR-E5C30WR-E-187Operating stresses in aircraft-engine crankshafts and connecting rods I : slip-ring and bush combinations for dynamic-strain measurements
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NACA-MR-E5D04WR-E-165Knock-limited performance of six aromatic amines blended with a base fuel in a full-scale aircraft-engine cylinder
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NACA-MR-E5D13WR-E-256Effect of NACA injection impeller and ducted head baffles on flight cooling performance of double-row radial engine in four-engine heavy bomber
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NACA-MR-E5D18WR-E-189The effect of valve clearance on knock-limited performance and engine cooling
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NACA-MR-E5D19WR-E-192Characteristics of the BMW 801D2 automatic engine control as determined from bench tests
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NACA-MR-E5D24WR-E-257Effect of fuel volatility and mixture temperature on the knocking characteristics of a liquid-cooled single-cylinder test engine
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NACA-MR-E5D30aWR-E-201A cooling correlation equation for a double-row radial engine based on the temperature of the exhaust-valve seat
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NACA-MR-E5E08WR-E-258Tests of air valves for intermittent-jet engines at speeds of 20 and 25 cycles per second
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NACA-MR-E5E12aWR-E-180The effect of six aromatic amines on the preignition-limited performance of 28-R aviation fuel in a CFR engine
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NACA-MR-E5E15WR-E-259Comparison of the knock-limited performance of triptane with 23 other purified hydrocarbons
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NACA-MR-E5E18WR-E-198Effect of engine-operating variables and internal coolants on spark-advance requirements of a liquid-cooled cylinder
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NACA-MR-E5E21WR-E-179Relation between fuel economy and crank angle for the maximum rate of pressure rise
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NACA-MR-E5F20WR-E-190Smoking characteristics of various fuels as determined by open-cup and laboratory-burner smoke tests
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NACA-MR-E5F20aSuitability of 18 aromatic amines for overwater storage when blended with aviation gasoline
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NACA-MR-E5F26WR-E-199Nitrous oxide supercharging of an aircraft-engine cylinder
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NACA-MR-E5F30WR-E-260Effect of internal coolants on the knock-limited performance of an Allison V-1710-99 engine with a compression ratio of 6.0
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NACA-MR-E5G09WR-E-261Flight and test-stand investigation of high-performance fuels in modified double-row radial air-cooled engines I : determination of the cooling characteristics of the flight engine
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NACA-MR-E5G14WR-E-202Economy of internally cooling only the overheated cylinders of aircraft engines
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NACA-MR-E5G16WR-E-200Control of cylinder temperatures by thermostatically operated internal-coolant valves
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NACA-MR-E5H04WR-E-262Flight and test-stand investigation of high-performance fuels in modified double-row radial air-cooled engines II : flight knock data and comparison of fuel knock limits with engine cooling limits in flight
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NACA-MR-E5H06WR-E-151Knock-limited performance of blends of AN-F-28 fuel containing 2 percent aromatic amines V
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NACA-MR-E5H08WR-E-263Flight and Test-Stand Investigation of High-Performance Fuels in Modified Double-Row Radial Air-Cooled Engines III: Knock-Limited Performance of 33-R as Compared with a Triptane Blend and 28-R in Flight
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NACA-MR-E5H12WR-E-264Effect of Water-Alcohol Injection and Maximum Economy Spark Advance on Knock-Limited Performance and Fuel Economy of a Large Air-Cooled Cylinder
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NACA-MR-E5H16WR-E-265Tests of an adjustable-area exhaust nozzle for jet-propulsion engines
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NACA-MR-E5H18WR-E-191Operating stresses in aircraft-engine crankshafts and connecting rods II : Instrumentation and test results
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NACA-MR-E5H21WR-E-193Determination of air-consumption parameters for two radial aircraft engines
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NACA-MR-E5H27WR-E-184Reduction of fuel-vapor loss by omitting some of the fuel constituents normally lost during flight
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NACA-MR-E5H28WR-E-266Air-flow and performance characteristics of the engine-stage supercharger of a double-row radial aircraft engine I : effect of operating variables
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NACA-MR-E5I12WR-E-190Smoking characteristics of various fuels as determined by open-cup and laboratory-burner smoke tests
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NACA-MR-E5I20Cooling of Gas Turbines, 2, Effectiveness of Rim Cooling of Blades
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NACA-MR-E5I21WR-E-267The effect of high-resistance ignition cable on the erosion of spark-plug electrodes
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NACA-MR-E5I27WR-E-19Test-stand investigation of cooling characteristics and factors affecting temperature distribution of a double-row aircraft engine
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NACA-MR-E5J02WR-E-269Sea-level performance tests of a 22-inch-diameter pulse-jet engine at various simulated ram pressures
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NACA-MR-E5J03WR-E-270Endurance tests of a 22-inch-diameter pulse-jet engine with a neoprene-coated valve grid
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NACA-MR-E5J04WR-E-271Correlation of the Characteristics of Single-Cylinder and Flight Engines in Tests of High-Performance Fuels in an Air-Cooled Engine I : Cooling Characteristics
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NACA-MR-E5J12WR-E-272Correlation of the characteristics of single-cylinder and flight engines in tests of high-performance fuels in an air-cooled engine II : knock-limited charge-air flow and cylinder temperatures
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NACA-MR-E5K09WR-E-167The low-temperature solubility of 42 aromatic amines in aviation gasoline
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NACA-MR-E5K29WR-E-181Process of lead-deposit accumulations on aircraft-engine spark plugs
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NACA-MR-E5K30WR-E-205An investigation of cowl inlets for the B-29 power-plant installation
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NACA-MR-E5K30aWR-E-206An investigation of cowl-flap and cowl-outlet designs for the Boeing B-29 power-plant installation
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NACA-MR-E5L03WR-E-273Correlation of mixture temperature data obtained from bare intake-manifold thermocouples
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NACA-MR-E5L13WR-E-170Laboratory investigation of icing in the carburetor and supercharger inlet elbow of an aircraft engine I : description of setup and testing technique
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NACA-MR-E5L17WR-E-274Altitude-wind-tunnel tests of power-plant installation in jet-propelled fighter
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NACA-MR-E5L18aWR-E-171Laboratory investigation of icing in the carburetor and supercharger inlet elbow of an aircraft engine II : determination of the limiting-icing conditions
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NACA-MR-E5L19WR-E-172Laboratory investigation of icing in the carburetor and supercharger inlet elbow of an aircraft engine III : heated air as a means of de-icing the carburetor and supercharger inlet elbow
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NACA-MR-E5L27WR-E-173Laboratory investigation of icing in the carburetor and supercharger inlet elbow of an aircraft engine IV : effect of throttle design and method of throttle operation on induction-system icing characteristics
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NACA-MR-E5L28WR-E-174Laboratory investigation of icing in the carburetor and supercharger inlet elbow of an aircraft engine V : effect of injection of water-fuel mixtures and water-ethanol-fuel mixtures on the icing characteristics
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NACA-MR-E6A23WR-E-175Laboratory investigation of icing in the carburetor and supercharger inlet elbow of an aircraft engine VI : effect of modifications to fuel-spray nozzle on icing characteristics
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NACA-MR-E6B07WR-E-275
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NACA-MR-E6B12WR-E-183The effect of ethylene dibromide on the knock-limited performance of leaded and nonleaded S reference fuel
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NACA-MR-E6B20WR-E-276An evaluation of the knock-limited performance of triptane
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NACA-MR-E6B28WR-E-176Investigation of ice formation in the induction system of an aircraft engine I : ground tests
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NACA-MR-E6C07WR-E-277Tests of cast aluminum-alloy mixed-flow impellers
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NACA-MR-E6C25WR-E-278Hydraulic characteristics of the NACA injection impeller
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NACA-MR-E6E15WR-E-279The effect of a low-loss air valve on performance of a 22-inch-diameter pulse-jet engine
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NACA-MR-E6E16WR-E-177Investigation of ice formation in the induction system of an aircraft engine II : flight tests
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NACA-MR-E6E27WR-E-280Aerodynamics of the carburetor air scoop and the engine cowling of a single-engine torpedo-bomber-type airplane
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NACA-MR-E6E31WR-E-178The effect of liquid and ice particles on the erosion of a supercharger-inlet cover and diffuser vanes